A good liar must have a good memory.

Three may keep a secret, if two of them are dead.

What is necessary to change a person is to change his awareness of himself.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

Blessed are the cracked, for they shall let in the light.

That which costs little is less valued.

All honor's wounds are self-inflicted.

They have formed their own 4-H club - the hopeless, hysterical hypochondriacs of history.

It is the story that owns and directs us. It is the thing that makes us different from cattle; it is the mark on the face that sets one people apart from their neighbors.

Your clothes conceal much of your beauty, yet they hide not the unbeautiful

All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.

You will always be fond of me. I represent to you all the sins you never had the courage to commit.

A woman can be over dressed but never over elegant.

There's real poetry in the real world. Science is the poetry of reality

Confusion of goals and perfection of means seems, in my opinion, to characterize our age.

Experience without theory is blind, but theory without experience is mere intellectual play.

It's better to be unhappy alone than unhappy with someone.

Everything is vague to a degree you do not realize till you have tried to make it precise.

It is a process of diverting one's scattered forces into one powerful channel.

I am one of those who think like Nobel, that humanity will draw more good than evil from new discoveries.

Everything beautiful has a mark of eternity.