Wrinkles should merely indicate where smiles have been.

How empty is theory in the presence of fact!

I am not an economist. I am an honest man!

I have achieved my seventy years in the usual way: by sticking strictly to a scheme of life which would kill anybody else... I will offer here, as a sound maxim, this: That we can't reach old age by another man's road.

I would not read the proof of one of my books for any fair & reasonable sum whatever, if I could get out of it. The proof-reading on the P & Pauper cost me the last rags of my religion.

The devil's aversion to holy water is a light matter compared with a despots dread of a newspaper that laughs.

We often feel sad in the presence of music without words; and often more than that in the presence of music without music.