Life is in short cycles or periods; we are quickly tired, but we have rapid rallies. A man is spent by his work, starved, prostrate; he will not lift his hand to save his life; he can never think more. He sinks into deep sleep and wakes with renewed youth, with hope, courage, fertile in resources, and keen for daring adventure.

Sorrow looks back, Worry looks around, Faith looks up

All the fairy tales of Aladdin, or the invisible Gyges, or the talisman that opens kings' palaces, or the enchanted halls underground or in the sea, are only fictions to indicated the one miracle of intellectual enlargement.

The greatest discoveries are those that shed light unto ourselves.

People suffer all their life long, under the foolish superstition that they can be cheated. But it is impossible for a person to be cheated by anyone but himself.

A third felicity of age is that it has found expression. The youth suffers not only from ungratified desires, but from powers untried, and from a picture in his mind of a career which has as yet no outward reality. He is tormented with the want of correspondence between things and thoughts.

Give all to love: Obey thy heart; Friends, kindred, days, Estate, good fame, Plans, credit, and the Muse,- Nothing refuse.