Ask a true scientist a very profound question on his science, and he will besilent. Ask a true religious person a very simple question on his religion, and he will be frenzied.

God is a philosophical black hole-the point where reason breaks down.

The angel within me thrives on the devil within me.

The final discovery is the discovery of knowledge.

The world is truly beautiful solely in the eyes of a true philosopher.

If knowledge is my God, doubt would be my religion.

It is human to search for the theory of everything and it is superhuman to find it.

Certainty is the most vivid condition of ignorance and the most necessay condition for knowledge.

The meaning of life is 'the ultimate questioner's vanity.'

Professionalism is nothing but a crude insistance on the mechanization of mankind.

The stem of greatness sprouts from the seed of sacrifice.

I was not one man only but the steady advance hour after hour of an army in close formation, in which there appeared, according to the moment, impassioned men, indifferent men, jealous men.

Cultivate confidence, and eradicate the need to control.

Oh, let us lose our milk teeth and cut instead the strong teeth of hate and love.

I love being my husband's wife.

Plato is dear to me, but dearer still is truth.

Standardized testing has swelled and mutated, like a creature in one of those old horror movies, to the point that it now threatens to swallow our schools whole.

Everything happens through relationships.

All great writers begin with a good leather binding and a respectable title.

Do not ask that your kids live up to your expectations. Let your kids be who they are, and your expectations will be in breathless pursuit.

If Columbus in an island of America had not caught the disease, which poisons the source of generation, and often indeed prevents generation, we should not have chocolate and cochineal.