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.

To educate the intelligence is to expand the horizon of its wants and desires.

To educate the intelligence is to expand the horizon of its wants and desires.

Happiness in intelligent people is the rarest thing I know.

Happiness in intelligent people is the rarest thing I know.

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.

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.

Intelligence is the ability to adapt to change.

Intelligence is the ability to adapt to change.

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.

I'm not offended by all the dumb blonde jokes because I know I'm not dumb... and I also know that read more

I'm not offended by all the dumb blonde jokes because I know I'm not dumb... and I also know that I'm not blonde.

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

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