I am a firm believer, that without speculation there is no good and original observation.

The love for all living creatures is the most noble attribute of man.

A man who dares to waste one hour of time has not discovered the value of life.

The world will not be inherited by the strongest, it will be inherited by those most able to change.

Nothing exists for itself alone, but only in relation to other forms of life

Building a better mousetrap merely results in smarter mice.

A mathematician is a blind man in a dark room looking for a black cat which isn't there.

An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.

It is not the biggest, the brightest or the best that will survive, but those who adapt the quickest.

We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.

What a book a devil's chaplain might write on the clumsy, wasteful, blundering, low, and horribly cruel work of nature!

A hungry dog hunts best. A hungrier dog hunts even better.

Attempting to get at truth means rejecting stereotypes and cliches.

That happy state of mind, so rarely possessed, in which we can say, "I have enough," is the highest attainment of philosophy.

Yield all and trust all.

Lawyers have a dangerous job in Iran.

I believe in deeds, not words.

Life would be very dreary if there were no magic. If the real world were only that veil of tears, I just don't think could get up in the morning.

In the whole story of Jesus Christ, the most important event is the resurrection.

What a piece of work is a man