The constant effort towards population, which is found even in the most vicious societies, increases the number of people before the means of subsistence are increased.

A writer may tell me that he thinks man will ultimately become an ostrich. I cannot properly contradict him.

Each pursues his own theory, little solicitous to correct or improve it by an attention to what is advanced by his opponents.

I think it will be found that experience, the true source and foundation of all knowledge, invariably confirms its truth.

No limits whatever are placed to the productions of the earth; they may increase forever.

The power of population is indefinitely greater than the power in the earth to produce subsistence for man.

The main peculiarity which distinguishes man from other animals is the means of his support-the power which he possesses of very greatly increasing these means.

The friend of the present order of things condemns all political speculations in the gross.

It is an acknowledged truth in philosophy that a just theory will always be confirmed by experiment.

Population, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio.

In a state therefore of great equality and virtue, where pure and simple manners prevailed, the increase of the human species would evidently be much greater than any increase that has been hitherto known.

The ordeal of virtue is to resist all temptation to evil.

The constant effort towards population, which is found even in the most vicious societies, increases the number of people before the means of subsistence are increased.

Population, when unchecked, increases in a geometrical ratio.

The rich, by unfair combinations, contribute frequently to prolong a season of distress among the poor.

A great emigration necessarily implies unhappiness of some kind or other in the country that is deserted.

The great and unlooked for discoveries that have taken place of late years have all concurred to lead many men into the opinion that we were touching on a period big with the most important changes.

The histories of mankind are histories only of the higher classes.

The superior power of population cannot be checked without producing misery or vice.

I do not know that any writer has supposed that on this earth man will ultimately be able to live without food.

The most baleful mischiefs may be expected from the unmanly conduct of not daring to face truth because it is unpleasing.

The world's population will multiply more rapidly than the available food supply.

Socialism proposes no adequate substitute for the motive of enlightened selfishness that today is at the basis of all human labor and effort, enterprise and new activity.

Every American deserves to live in freedom, to have his or her privacy respected and a chance to go as far as their ability and effort will take them - regardless of race, gender, ethnicity or economic circumstances.

Achievement is not always success, while reputed failure often is. It is honest endeavor, persistent effort to do the best possible under any and all circumstances.

You really should not do this job unless you're willing to put in that enormous amount of effort. You should not do the job unless you're willing to take risks. And you shouldn't do the job unless you're willing to lose the job, too.

When families observe a later, deeper stage of cult involvement they may find it necessary to consider the involvement of a professional such as myself in an intervention effort.

Much effort, much prosperity.

No one will deny that the excessive use of alcohol and alcoholic beverages would do more than any other single factor to make impossible a total war effort.

Success requires first expending ten units of effort to produce one unit of results. Your momentum will then produce ten units of results with each unit of effort.

I'm not the type of person who goes through all this effort for a movie, and then doesn't care if anybody sees it. I want them to see it, and I want them to see it on the big screen.

It wasn't my plan to create such a record. All I did was put in the effort to win every match I played and it went on for weeks, months and years until my defeat to Ross Norman in Toulouse in 1986.

Periods of wholesome laziness, after days of energetic effort, will wonderfully tone up the mind and body.

Productivity is never an accident. It is always the result of a commitment to excellence, intelligent planning, and focused effort.

A minute of perfection was worth the effort. A moment was the most you could ever expect from perfection.

I'm always making a conscious effort to be viable and accessible.

A strenuous effort must be made to train young people to think for themselves and take independent charge of their lives.

If those committed to the quest fail, they will be forgiven. When lost, they will find another way. The moral imperative of humanism is the endeavor alone, whether successful or not, provided the effort is honorable and failure memorable.

Doyle stokes in a thousand shrewd touches with no effort at all. Wonderful.

I know, to banish anger altogether from one's breast is a difficult task. It cannot be achieved through pure personal effort. It can be done only by God's grace.

Sport is the habitual and voluntary cultivation of intensive physical effort.

The Russians obtained a number of plants under Lend-Lease, which had been authorized by Washington, that I thought were not justified for their war effort. They wanted them for postwar use.

I find it an effort to keep up appearances.

I am pleased to see that information campaigns, such as the America's WETLAND effort, are getting the message out, and people are beginning to realize that wetlands loss in Louisiana affects us all.

Mr. Speaker, genocide is the most potent of all crimes against humanity because it is an effort to systematically wipe out a people and a culture as well as individual lives.

We're going to make every effort to keep the Saints as Louisiana's team.

The paintings may communicate even better because people are lazy and they can look at a painting with less effort than they can read a poem.

It is to be deeply regretted that the clergymen would oppose an effort to teach the people the Bible truths; nevertheless, we find much opposition everywhere, and many clergymen will attempt to prevent the people from reading what is here written.

Great art is never produced for its own sake. It is too difficult to be worth the effort.