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

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

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.

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

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

A person must have a certain amount of intelligent ignorance to get anywhere.

A person must have a certain amount of intelligent ignorance to get anywhere.

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.

Happiness in intelligent people is the rarest thing I know.

Happiness in intelligent people is the rarest thing I know.

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

All intelligent thoughts have already been thought; what is necessary is only to try to think them again.

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.

I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it read more

I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.