Before I start painting I have a slightly ambiguous feeling: happiness is a special excitement because unhappiness is always possible a moment later.

All superstition is much the same whether it be that of astrology, dreams, omen, retributive judgment, or the like, in all of which the deluded believers observe events which are fulfilled, but neglect and pass over their failure, though it be much more common.

To be free minded and cheerfully disposed at hours of meat and sleep and of exercise is one of the best precepts of long lasting.

In every great time there is some one idea at work which is more powerful than any other, and which shapes the events of the time and determines their ultimate issues.

A wise man will make more opportunities than he finds.

The desire of excessive power caused the angels to fall; the desire of knowledge caused men to fall.

For whatever deserves to exist deserves also to be known, for knowledge is the image of existence, and things mean and splendid exist alike.