The man who has no sense of history, is like a man who has no ears or eyes

Until you value yourself, you won't value your time. Until you value your time, you will not do anything with it.

When I let go of what I am, I become what I might be.

A tragedy means always a man's struggle with that which is stronger than man.

To protect our freedoms, it seems we're going to have to relinquish some of our freedoms for a short period of time.

As far as we can discern, the sole purpose of human existence is to kindle a light of meaning in the darkness of mere being.

Old age is the only disease you dont want to be cured of.

The most important thing to do if you find yourself in a hole is to stop digging.

Luxury is not a necessity to me, but beautiful and good things are.

If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.

We must be willing to fail and to appreciate the truth that often 'Life is not a problem to be solved, but a mystery to be lived.'

It is easier to influence strong than weak characters in life.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

I always like walking in the rain, so no one can see me crying.

Life is tough, but it's tougher when you're stupid.

You have to go on and be crazy. Craziness is like heaven.

Hard work, disciplined habits, modesty in living, contentment and cheerfulness.

Exceptional claims demand exceptional evidence.

In the survival of favoured individuals and races, during the constantly-recurring struggle for existence, we see a powerful and ever-acting form of selection.

Live your life as an Exclamation rather than an Explanation

People can tell you to keep your mouth shut, but that doesn't stop you from having your own opinion