The main part of intellectual education is not the acquisition of facts but learning how to make facts live.

The main part of intellectual education is not the acquisition of facts, but learning how to make facts live.

A mind once stretched by a new idea never regains its original dimension.

The mind, once expanded to the dimensions of bigger ideas, never returns to its original size.

Ah, pensive scholar, what is fame? A fitful tongue of leaping flame; A giddy whirlwind's fickle gust, That lifts a pinch of mortal dust; A few swift years, and who can show Which dust was Bill, and which was Joe?

The world's great men have not commonly been great scholars, nor its great scholars great men.