Happiness in intelligent people is the rarest thing I know.

Happiness in intelligent people is the rarest thing I know.

There are some ideas so wrong that only a very intelligent person could believe in them.

There are some ideas so wrong that only a very intelligent person could believe in them.

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.

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a read more

He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would surely suffice.

The emotional brain responds to an event more quickly than the thinking brain.

The emotional brain responds to an event more quickly than the thinking brain.

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.

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.

It is good to rub and polish our brain against that of others.

It is good to rub and polish our brain against that of others.

Be as smart as you can, but remember that it is always better to be wise than to be smart.

Be as smart as you can, but remember that it is always better to be wise than to be smart.