Man becomes man only by his intelligence, but he is man only by his heart.

Man becomes man only by his intelligence, but he is man only by his heart.

Be smarter than other people, just don't tell them so.

Be smarter than other people, just don't tell them so.

To educate the intelligence is to expand the horizon of its wants and desires.

To educate the intelligence is to expand the horizon of its wants and desires.

If the human brain were so simple that we could understand it, we would be so simple that we couldn't.

If the human brain were so simple that we could understand it, we would be so simple that we couldn't.

I can't tell you if genius is hereditary, because heaven has granted me no offspring.

I can't tell you if genius is hereditary, because heaven has granted me no offspring.

The course of every intellectual, if he pursues his journey long and unflinchingly enough, ends in the obvious, from which read more

The course of every intellectual, if he pursues his journey long and unflinchingly enough, ends in the obvious, from which the non-intellectuals have never stirred.

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

I not only use all the brains that I have, but all that I can borrow.

I not only use all the brains that I have, but all that I can borrow.

The mind is not a vessel to be filled but a fire to be kindled.

The mind is not a vessel to be filled but a fire to be kindled.