I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.
It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.
Human nature is not totally fixed, but on any realistic scale, evolutionary processes are much too slow to affect it.
Everyone has his own specific vocation or mission in life; everyone must carry out a concrete assignment that demands fulfillment. Therein he cannot be replaced, nor can his life be repeated, thus, everyone's task is unique as his specific opportunity to implement it.
It is no measure of health to be well adjusted to a profoundly sick society.
A wise man can play the part of a clown, but a clown can't play the part of a wise man.
Everything that irritates us about others can lead us to an understanding of ourselves.
If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.
People seldom do what they believe in. They do what is convenient, then repent.
By providing students in our Nation with such an education, we help save our children from the clutches of poverty, crime, drugs, and hopelessness, and we help safeguard our Nation's prosperity for generations yet unborn.
Progress of mankind is progress of mind and intellect.
Private passions tire and exhaust themselves, public ones never.
Are we happy that our grandchildren may never seen an elephant except in a picture book?
Everything can be taken from a man or a woman but one thing: the last of human freedoms to choose one's attitude in any given set of circumstances, to choose one's own way.
A man's first care should be to avoid the reproaches of his own heart.
The people who turn out best are those people who make the best out of the way things turn out.
A woman's chastity consists, like an onion, of a series of coats.
A narrow mind and a fat head invariably come on the same person.
In many people it is already an impertinence to say 'I'.
If money help a man to do good to others, it is of some value; but if not, it is simply a mass of evil, and the sooner it is got rid of, the better.
The capacity to suffer varies more than anything that I have observed in human nature.