Everything that can be counted does not necessarily count; everything that counts cannot necessarily be counted.

Conscious man, to be sure, has at all times been keenly aware that life is an adventure, that life must, forever, be wrested from death.

Humiliation and mental oppression by ignorant and selfish teachers wreak havoc in the youthful mind that can never be undone and often exert a baleful influence in later life.

Life is a preparation for the future; and the best preparation for the future is to live as if there were none.

I refuse to engage in an intellectual battle with an unarmed man.

That deep emotional conviction of the presence of a superior reasoning power, which is revealed in the incomprehensible universe, forms my idea of God.

Only morality in our actions can give beauty and dignity to life.