Keep up the fires of thought, and all will go well.

Why do you ever mend your clothes, unless that, wearing them, you may mend your ways. Let us sing.

We cannot see anything until we are possessed with the idea of it, take it into our heads,--and then we can hardly see anything else.

Why should I feel lonely? is not our planet in the Milky Way?

The church is a sort of hospital for men's souls and as full of quackery as the hospital for their bodies.

I could not undertake to form a nucleus of an institution for the development of infant minds, where none already existed. It would be too cruel.

I am awaked almost every night by the panting of the locomotive. It interrupts my dreams. There is no sabbath.