Of all the inventions of man I doubt whether any was more easily accomplished than that of a Heaven.

Why does a suppurating lung give so little warning and a sore on the finger so much?

It not seldom happens that in the purposeless rovings and wanderings of the imagination we hunt down such game as can be put to use by our purposeful philosophy in its well-ordered household.

There are people who possess not so much genius as a certain talent for perceiving the desires of the century, or even of the decade, before it has done so itself.

I have remarked very clearly that I am often of one opinion when I am lying down and of another when I am standing up.

Most men of education are more superstitious than they admit - nay, than they think.

Once we know our weaknesses they cease to do us any harm.