People are more difficult to work with than machines. And when you break a person, he can't be fixed.

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

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

If you can't say something good about someone, sit right here by me.

Anyone who says he can see through women is missing a lot.

Humans are not proud of their ancestors, and rarely invite them round to dinner.

Human nature is not totally fixed, but on any realistic scale, evolutionary processes are much too slow to affect it.

A desire to be observed, considered, esteemed, praised, beloved, and admired by his fellows is one of the earliest as well as the keenest dispositions discovered in the heart of man.

A man's first care should be to avoid the reproaches of his own heart.

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

Who makes us ignorant? We ourselves. We put our hands over our eyes and weep that it is dark.

Our true nationality is mankind.

Everything that irritates us about others can lead us to an understanding of ourselves.

Example is not the main thing in influencing others. It is the only thing.

Ever more people today have the means to live, but no meaning to live for.

Outstanding people have one thing in common: an absolute sense of mission

Johnny Cash has always been larger than life.

I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.

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.

The first time someone shows you who they are, believe them.

It’s extraordinary how self-obsessed human beings are. There is so much more out there than what connects to us.