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

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

Intelligence is the ability to adapt to change.

Intelligence is the ability to adapt to change.

Character is higher than intellect. A great soul will be strong to live as well as think.

Character is higher than intellect. A great soul will be strong to live as well as think.

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.

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.

Continuous effort - not strength or intelligence - is the key to unlocking our potential

Continuous effort - not strength or intelligence - is the key to unlocking our potential

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.

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.