It is difficult to walk at one and the same time many paths of life.

There is geometry in the humming of the strings, there is music in the spacing of the spheres.

Animals share with us the privilege of having a soul.

Let no one persuade you by word or deed to do or say whatever is not best for you.

A man is never as big as when he is on his knees to help a child.

Number is the within of all things.

Anger begins in folly, and ends in repentance.