To know what you prefer instead of humbly saying Amen to what the world tells you ought to prefer, is to have kept your soul alive.

A little amateur painting in water colors shows the innocent and the quiet mind.

The spirit of delight comes in small ways.

Since hate poisons the soul, don't cherish enmities or grudges: avoid people who make you unhappy.

A proposition of geometry does not compete with life; and a proposition of geometry is a fair and luminous parallel for a work of art. Both are reasonable, both untrue to the crude fact; both inhere in nature, neither represents it.

When I was a boy, I was a bit puzzled, and hardly knew weather it was myself or the world that was curious and worth looking into. Now I know that it is myself, and stick to that.

To avoid an occasion for our virtues is a worse degree of failure than to push forward pluckily and make a fall.