I can calculate the motion of heavenly bodies but not the madness of people.
People who know little are usually great talkers, while men who know much say little.
Human history is in essence a history of ideas.
People are more difficult to work with than machines. And when you break a person, he can't be fixed.
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 true measure of a man is how he treats someone who can do him absolutely no good.
Challenging the meaning of life is the truest expression of the state of being human.
Not only will we have to repent for the sins of bad people; but we also will have to repent for the appalling silence of good people.
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.
How can you thank a man for giving you what's already yours? How then can you thank him for giving you only part of what is yours?
A man is great by deeds, not by birth.
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
The U.S. Census Bureau acknowledged this fact when it reported that those with a bachelor's degree earn on average $1 million more over their lifetime than those with only a high school diploma.
Some people seem to fade away but then when they are truly gone, it's like they didn't fade away at all.
When people are protecting something truly special to them, they truly can become...as strong as they can be.
What sunshine is to flowers, smiles are to humanity. These are but trifles, to be sure; but scattered along life's pathway, the good they do is inconceivable.
If you can't say something good about someone, sit right here by me.
Humanism was not wrong in thinking that truth, beauty, liberty, and equality are of infinite value, but in thinking that man can get them for himself without grace.
There is no come back to caves. We are too many.
Americans of our own time - minority and majority Americans alike - need the continued guidance that the Voting Rights Act provides. We have come a long way, but more needs to be done.
Human history becomes more and more a race between education and catastrophe.