Human nature is not totally fixed, but on any realistic scale, evolutionary processes are much too slow to affect it.
That man is the noblest creature may also be inferred from the fact that no other creature has yet contested this claim.
A person is a person because he recognizes others as persons.
If you can't say something good about someone, sit right here by me.
Challenging the meaning of life is the truest expression of the state of being human.
A man's first care should be to avoid the reproaches of his own heart.
I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.
I like university professors, but you know, we shouldn't hold them up as the high-water mark of all human achievement. They're just a form of life, another form of life.
The whole universe is contained within a single human being – you.
The capacity to suffer varies more than anything that I have observed in human nature.
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.
Some people seem to fade away but then when they are truly gone, it's like they didn't fade away at all.
After your death you will be what you were before your birth.
Each man is questioned by life; and he can only answer to life by answering for his own life; to life he can only respond by being responsible.
You climb to reach the summit, but once there, discover that all roads lead down.
Human history becomes more and more a race between education and catastrophe.
There is no marvel in a woman learning to speak, but there would be in teaching her to hold her tongue.
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.
Every man takes the limits of his own field of vision for the limits of the world.
Example is not the main thing in influencing others. It is the only thing.
The world would be happier if men had the same capacity to be silent that they have to speak.
