Neither irony or sarcasm is argument.

Look before you leap for as you sow, ye are like to reap.

They say the test of literary power is whether a man can write an inscription. I say, "Can he name a kitten?"

If you follow reason far enough it always leads to conclusions that are contrary to reason.

Men are seldom more commonplace than on supreme occasions.

It is a wise tune that knows its own father, and I like my music to be the legitimate offspring of respectable parents.

When a man is in doubt about this or that in his writing, it will often guide him if he asks himself how it will tell a hundred years hence.