intelligence Quotes

The eyes of some persons are large, others small, and others of a moderate size; the last-mentioned are the best. And some eyes are projecting, some deep-set, and some moderate, and those which are deep-set have the most acute vision in all animals; the middle position is a sign of the best disposition.

Man is the only animal capable of reasoning, though many others possess the faculty of memory and instruction in common with him.

A sense is what has the power of receiving into itself the sensible forms of things without the matter, in the way in which a piece of wax takes on the impress of a signet-ring without the iron or gold.

There was never a genius without a tincture of madness.

A learned blockhead is a greater blockhead than an ignorant one.

I would like to take you seriously, but to do so would be an affront to your intelligence.

Few people think more than two or three times a year; I have made an international reputation for myself by thinking once or twice a week.

All genuinely intellectual work is humorous.

Learning without thought is labor lost; thought without learning is perilous.

Passion makes idiots of the cleverest men, and makes the biggest idiots clever.