One touch of nature makes the whole world kin.

I refuse to accept the idea that the 'isness' of man's present nature makes him morally incapable of reaching up for the eternal 'oughtness' that forever confronts him.

To err is nature, to rectify error is glory.

It's human nature to gripe, but I'm going ahead and doing the best I can.

Men's minds are as variant as their faces, and, where the motives of their actions are pure, the operation of the former is no more to be imputed to them as a crime, than the appearance of the latter; for both, being the work of nature, are alike unavoidable.

People think you're crazy if you talk about things they don't understand.