Humanity is acquiring all the right technology for all the wrong reasons.

A human being is a deciding being.

I've learned that you can tell a lot about a person by the way (s)he handles these three things: a rainy day, lost luggage, and tangled Christmas tree lights.

All of humanity's problems stem from man's inability to sit quietly in a room alone.

The highest forms of understanding we can achieve are laughter and human compassion.

There is no come back to caves. We are too many.

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

Treat people as if they were what they ought to be, and you help them to become what they are capable of being.

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.

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

Take away paradox from the thinker and you have a professor.

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

Challenging the meaning of life is the truest expression of the state of being human.

Some people seem to fade away but then when they are truly gone, it's like they didn't fade away at all.

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

Every man takes the limits of his own field of vision for the limits of the world.

No mortal can keep a secret. If the lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore.

A man is great by deeds, not by birth.

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

People seldom do what they believe in. They do what is convenient, then repent.

A question that sometimes drives me hazy: Am I, or the others, crazy?