We have heard much about the poetry of mathematics, but very little of it has yet been sung. The ancients had a juster notion of their poetic value than we.

I was determined to know beans.

The only sin in the world is ignorance.

No way of thinking or doing, however ancient, can be trusted without proof.

Let a slight snow come and cover the earth, and the tracks of men will show how little the woods and fields are frequented.

I never dreamed of any enormity greater than I have committed. I never knew, and never shall know, a worse man than myself.

I cannot easily buy a blank-book to write thoughts in; they are commonly ruled for dollars and cents.