Mathematics has the completely false reputation of yielding infallible conclusions. Its infallibility is nothing but identity. Two times two is not four, but it is just two times two, and that is what we call four for short. But four is nothing new at all. And thus it goes on and on in its conclusions, except that in the higher formulas the identity fades out of sight.

The proper place for liberality is in the realm of the emotions.

When an idea is wanting, a word can always be found to take its place.

Habit is a man's sole comfort. We dislike doing without even unpleasant things to which we have become accustomed.

Fret not over the irretrievable, but ever act as if thy life were just begun.

Smoothly and lightly the golden seed by the furrow is covered.

The spectacle of Nature is always new, for she is always renewing the spectators. Life is her most exquisite invention; and death is her expert contrivance to get plenty of life.