No one means all he says, and yet very few say all they mean

You who are letting miserable misunderstandings run on from year to year, meaning to clear them up someday; you who are keeping wretched quarrels alive because you cannot quite make up your mind that now is the day to sacrifice your pride and kill them

If everyone knew exactly what I was going to say, then there would be no point in my saying it, would there?

The progress of evolution from President Washington to President Grant was alone evidence enough to upset Darwin

Absolute liberty is absence of restraint; responsibility is restraint; therefore, the ideally free individual is responsible to himself.

A teacher affects eternity; he can never tell where his influence stops.