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.

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.

What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average read more

What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.

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.

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.

It has yet to be proven that intelligence has any survival value.

It has yet to be proven that intelligence has any survival value.

Intelligence is the ability to adapt to change.

Intelligence is the ability to adapt to change.