If a man neglects education, he walks lame to the end of his life

To cherish what remains of the Earth and to foster its renewal is our only legitimate hope of survival.

Unsatisfied desire is in itself more desirable than any other satisfaction.

Even truth needs to be clad in new garments if it is to appeal to a new age.

He who has a why to live can bear with almost any how.

A wise girl kisses but doesn't love, listens but doesn't believe, and leaves before she is left.

During the first period of a man's life the greatest danger is not to take the risk.

Life is too short for long-term grudges.

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

Each man should frame life so that at some future hour fact and his dreaming meet.

Behind every beautiful thing, there's some kind of pain.

Life is like playing a violin solo in public and learning the instrument as one goes on.

On stage, I make love to 25,000 different people, then I go home alone.

Your belief in God is merely an escape from your monotonous, stupid and cruel life.

You are not stuck where you are unless you decide to be.

I don't need you to remind me of my age. I have a bladder to do that for me.

It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.

Life shrinks or expands in proportion to one's courage.

Life's a journey, not a destination.

History has shown there are no invincible armies.

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.