I don't care whether animals are capable of thinking; all I care about is that they are capable of suffering!

How is property given? By restraining liberty; that is, by taking it away so far as necessary for the purpose. How is your house made yours? By debarring every one else from the liberty of entering it without your leave.

Tyranny and anarchy are never far apart.

As to the evil which results from censorship, it is impossible to measure it, because it is impossible to tell where it ends.

We may scatter the seeds of courtesy and kindness about us at little expense. Some of them will fall on good ground, and grow up into benevolence in the minds of others, and all of them will bear fruit of happiness in the bosom whence they spring.

Prose is when all the lines except the last go on to the end. Poetry is when some of them fall short of it.

Stretching his hand up to reach the stars, too often man forgets the flowers at his feet.