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.

Intelligence is the wife, imagination is the mistress, memory is the servant.

Intelligence is the wife, imagination is the mistress, memory is the servant.

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.

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.

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.

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.

You have to be smart. The easy days are over.

You have to be smart. The easy days are over.

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 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.