There is no accomplishment so easy to acquire as politeness and none more profitable.

To me the sole hope of human salvation lies in teaching.

Absolute honesty is as absurd an abstraction as an absolute temperature or an absolute value.

Which painting in the National Gallery would I save if there was a fire? The one nearest the door of course.

Man can climb to the highest summits, but he cannot dwell there long.

My opportunities were still there, nay, they multiplied tenfold; but the strength and youth to cope with them began to fail, and to need eking out with the shifty cunning of experience.

From a very early age, I've had to interrupt my education to go to school.