Our true nationality is mankind.

If you talk to a man in a language he understands, that goes to his head. If you talk to him in his language, that goes to his heart.

Stupid men are often capable of things the clever would not dare to contemplate...

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.

Great men are like eagles, and build their nest on some lofty solitude.

It's funny how humans can wrap their mind around things and fit them into their version of reality.

The capacity to suffer varies more than anything that I have observed in human nature.

I measure the progress of a community by the degree of progress which women have achieved.

It is no measure of health to be well adjusted to a profoundly sick society.

Humanism and Divinity are as complementary to one another in the order of culture, as are Nature and Grace in the order of being.

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.

I just invent, then wait until man comes around to needing what I've invented.

Human history becomes more and more a race between education and catastrophe.

I can calculate the motion of heavenly bodies but not the madness of people.

Men are anxious to improve their circumstances, but are unwilling to improve themselves; they therefore remain bound.

Private passions tire and exhaust themselves, public ones never.

People fall forward to success.

He that wrestles with us strengthens our nerves and sharpens our skill. Our antagonist is our helper.

The whole universe is contained within a single human being – you.

Men always talk about the most important things to perfect strangers.

If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.