The cat is the only animal which accepts the comforts but rejects the bondage of domesticity.

The human mind cannot create anything. It produces nothing until having been fertilized by experience and meditation; its acquisitions are the germs of its production.

The dog has no ambition, no self-interest, no desire for vengeance, no fear other than that of displeasing.

Only well-written works will descend to posterity. Fulness of knowledge, interesting facts, even useful inventions, are no pledge of immortality, for they may be employed by more skilful hands; they are outside the man; the style is the man himself.

Let us suppose, that the Old and New worlds were formerly but one continent, and that, by a violent earthquake, the ancient Atalantis [sic] of Plato was sunk ... The sea would necessarily rush in from all quarters, and form what is now called the Atlantic ocean.

Man thinks, and at once becomes the master of the beings that do not think.

Hold on; hold fast; hold out. Patience is genius.