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 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.

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.

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.

Your intellect may be confused, but your emotions will never lie to you.

Your intellect may be confused, but your emotions will never lie to you.

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

Always be smarter than the people who hire you.

Always be smarter than the people who hire you.

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.