World War II ended the Great Depression with one of the great public-private industrial collaborations in the history of man.

For at the same time many people seem eager to extend the circle of our moral consideration to animals in our factory farms and laboratories we are inflicting more suffering on more animals than at any time in history.

In the long history of humankind (and animal kind too) those who learned to collaborate and improvise most effectively have prevailed.

A truly American sentiment recognizes the dignity of labor and the fact that honor lies in honest toil.

The ingredients of health and long life are great temperance open air easy labor and little care.

Capital is reckless of the health or length of life of the laborer unless under compulsion from society.

The unproductive tillage of human cattle takes that which of right belongs to free labor and which is necessary for the support and happiness of our own race.

It is not only my laboratory and my place of work but also my home so that on the 30th October I was able to share my happiness immediately with my students and collaborators and at the same time with my wife and family.

No true and permanent fame can be founded except in labors which promote the happiness of mankind.

We hear of the wealth of nations of the powers of production of the demand and supply of markets and we forget that these words mean no more if they mean any thing then the happiness and the labor and the necessities of men.

There is no excellence without labor. One cannot dream oneself into either usefulness or happiness.

It is work work that one delights in that is the surest guarantor of happiness. But even here it is a work that has to be earned by labor in one's earlier years. One should labor so hard in youth that everything one does subsequently is easy by comparison.

Leisure and curiosity might soon make great advances in useful knowledge were they not diverted by minute emulation and laborious trifles.

Few enterprises of great labor or hazard would be undertaken if we had not the power of magnifying the advantages we expect from them.

The planter the farmer the mechanic and the laborer... form the great body of the people of the United States they are the bone and sinew of the country men who love liberty and desire nothing but equal rights and equal laws.

If you pursue good with labor the labor passes away but the good remains if you pursue evil with pleasure the pleasure passes away and the evil remains.

A bad book is as much of a labor to write as a good one it comes as sincerely from the author's soul.