The love of one's own sex is precious, for it is neither provoked by vanity nor retained by flattery; it is genuine and sincere.

The greatest object in educating is to give a right habit of study.

Small aids to individuals, large aid to masses.

How strange that some people cannot believe in both the Book of Nature and the Book of God.

Do not look at stars as bright spots only. Try to take in the vastness of the universe.

I am just learning to notice the different colors of the stars, and already begin to have a new enjoyment.

There is no cosmetic for beauty like happiness.