An easy approach to the walls must be provided against: indeed they should be surrounded by uneven ground, and the roads leading to the gates should be winding and turn to the left from the gates.

Consistency is found in that work whose whole and detail are suitable to the occasion. It arises from circumstance, custom, and nature.

Quicksilver is used for many purposes; without it, neither silver nor brass can be properly gilt.

Perhaps, to the uninformed, it may appear unaccountable that a man should be able to retain in his memory such a variety of learning; but the close alliance with each other, of the different branches of science, will explain the difficulty.

In setting out the walls of a city the choice of a healthy situation is of the first importance: it should be on high ground, neither subject to fogs nor rains; its aspects should be neither violently hot nor intensely cold, but temperate in both respects.

But I, Caesar, have not sought to amass wealth by the practice of my art, having been rather contented with a small fortune and reputation, than desirous of abundance accompanied by a want of reputation.

Music assists him in the use of harmonic and mathematical proportion.

Dimension regulated the general scale of the work, so that the parts may all tell and be effective.

For an object under the eye will appear very different from the same object placed above it; in an inclosed space, very different from the same in an open space.

Marble is not alike in all countries.

Harmony is an obscure and difficult musical science, but most difficult to those who are not acquainted with the Greek language; because it is necessary to use many Greek words to which there are none corresponding in Latin.

Wind is a floating wave of air, whose undulation continually varies.

Care should be taken that all buildings are well lighted: in those of the country this point is easily accomplished, because the wall of a neighbour is not likely to interfere with the light.

I am moreover inclined to be concise when I reflect on the constant occupation of the citizens in public and private affairs, so that in their few leisure moments they may read and understand as much as possible.

Nothing requires the architect's care more than the due proportions of buildings.

Proportion is that agreeable harmony between the several parts of a building, which is the result of a just and regular agreement of them with each other; the height to the width, this to the length, and each of these to the whole.

Beauty is produced by the pleasing appearance and good taste of the whole, and by the dimensions of all the parts being duly proportioned to each other.

From the exterior face of the wall towers must be projected, from which an approaching enemy may be annoyed by weapons, from the embrasures of those towers, right and left.

Since, therefore, individuals as well as the public are so indebted to these writers for the benefits they enjoy, I think them not only entitled to the honour of palms and crowns, but even to be numbered among the gods.

I, therefore, O Caesar, do not publish this work, merely prefixing my name to a treatise which of right belongs to others, nor think of acquiring reputation by finding fault with the works of any one.

Economy consists in a due and proper application of the means afforded according to the ability of the employer and the situation chosen; care being taken that the expenditure is prudently conducted.

When it passes towards the east, the sun begins to have less effect upon it, and a thin line on the edge of its bright side emits its splendour towards the earth.

The lanes and streets of the city being set out, the choice of sites for the convenience and use of the state remains to be decided on; for sacred edifices, for the forum, and for other public buildings.

The thickness of the walls should be sufficient for two armed men to pass each other with ease.

The temple of Ceres should be in a solitary spot out of the city, to which the public are not necessarily led but for the purpose of sacrificing to her.

Bodies which contain a greater proportion of water than is necessary to balance the other elements, are speedily corrupted, and lose their virtues and properties.

Architecture is a science arising out of many other sciences, and adorned with much and varied learning; by the help of which a judgment is formed of those works which are the result of other arts.

Wherefore the mere practical architect is not able to assign sufficient reasons for the forms he adopts; and the theoretic architect also fails, grasping the shadow instead of the substance.

An easy approach to the walls must be provided against: indeed they should be surrounded by uneven ground, and the roads leading to the gates should be winding and turn to the left from the gates.

Consistency is found in that work whose whole and detail are suitable to the occasion. It arises from circumstance custom and nature.

Wind is a floating wave of air whose undulation continually varies.

The key to accepting responsibility for your life is to accept the fact that your choices, every one of them, are leading you inexorably to either success or failure, however you define those terms.

A handful of older, romantic leading men, like Sean Connery, Jack Nicholson, and Robert Redford are still landing parts.

By obtaining a sense of its place in the unfolding drama of life, set in an ecological theatre, so we can understand why it has become one of the leading players.

We live in an ascending scale when we live happily, one thing leading to another in an endless series.

In the little hall leading to it was a rack holding various Socialist or radical newspapers, tracts, and pamphlets in very small print and on very bad paper. The subjects treated were technical Marxist theories.

Bill Clinton strikes me as the kind of guy who goes wherever the polls lead him, rather than leading the polls.

I met Kevin when I was 19, at a Second City workshop. We were paired up together in the first class I went to. By the end of the class we formed our improv group, and over the next three years we performed leading up to the formation of The Kids in the Hall.

The most terrible job in warfare is to be a second lieutenant leading a platoon when you are on the battlefield.

Poor air quality, which can be influenced by a variety of fumes, chemicals and allergens, is arguably the leading cause of triggers for most asthmatics in urban areas.

Young leading cadres have risen up by helicopter. They should really rise step by step.

The Super Bowl is like a movie, and the quarterback is the leading man.

It must inquire not merely about the circumstances of the time in general, but in particular about the writer's position with regard to these things, the interests and motives, the leading ideas of his literary activity.

I'd love to talk to Joaquin Phoenix because he's a very private guy. Also, he's creating a new kind of sexy leading man. To me, his face is new and might be legendary someday.

While a handful of countries and a small number of people are leading ample life, dozens of countries and billions of people in Africa, Asia and Latin America are being left in absolute poverty.

Now, when we face a problem like global warming, and you understand that the biggest impacts on global warming come from business and industry, I think business needs to take a leading role.

Great ambition, the desire of real superiority, of leading and directing, seems to be altogether peculiar to man, and speech is the great instrument of ambition.

Well, let's say we acknowledged the School of French Painting - the Paris School of painting as the leading force and vitality of the time. I think that was understood and felt and experienced.

If you would have your son to walk honourably through the world, you must not attempt to clear the stones from his path, but teach him to walk firmly over them - not insist upon leading him by the hand, but let him learn to go alone.