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.

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.

With an eye made quiet by the power of harmony, and the deep power of joy, we see into the life of things.

The association promotes a way of life, not causes; a harmony in living, not political faiths; a bilateral loyalty, not commercial or social projects. Yet it is an association for as noble a purpose as any involved in any prior decisions.

It was also during my tenure of office that the Japanese Government agreed to the conclusion of a Nuclear Non-Proliferation Treaty and signed it, pursuing a policy in harmony with the avowed desire of the people.

Art is a harmony parallel with nature.

We are not going to toy with our religion or any other. Nor are we going to barter. We are here to extend our hands to build peace and harmony.

Let there be no illusions about the difficulty of forming this kind of a national community. It's tough, difficult, not easy. But a spirit of harmony will survive in America only if each of us remembers that we share a common destiny.

Color is a plastic means of creating intervals... color harmonics produced by special relationships, or tensions. We differentiate now between formal tensions and color tensions, just as we differentiate in music between counterpoint and harmony.

Poetry is a beautiful way of spoiling prose, and the laborious art of exchanging plain sense for harmony.

I studied harmony and composition in a very spontaneous manner.

A band is sort of like a star. It reaches a peak and burns out. To have five guys working in perfect harmony longer than a couple years is difficult.

Happiness is not a matter of intensity but of balance, order, rhythm and harmony.

Harmony is pure love, for love is complete agreement.

Truth is not a matter of fact but a state of harmony with progress and hope. Enveloped only in its wings will we ever soar to the promise of our greater selves.

I would say that the surest measure of a man's or a woman's maturity is the harmony, style, joy, and dignity he creates in his marriage, and the pleasure and inspiration he provides for his spouse.

Marriage is an institution fits in perfect harmony with the laws of nature; whereas systems of slavery and segregation were designed to brutally oppress people and thereby violated the laws of nature.

Each and every master, regardless of the era or the place, heard the call and attained harmony with heaven and earth. There are many paths leading to the top of Mount Fuji, but there is only one summit - love.

They are unique in the simplicity, the diversity, the related harmony of the forms of life that they enclose.

The principle of subordination is the great bond of union and harmony through the universe.