That which does not kill us makes us stronger.

A book full of brilliance imparts some of it even to its opponents.

Both classically- and romantically-minded spirits-inasmuch as these two species always exist-occupy themselves with a vision of the future: but the former do so out of a strength of their age, the latter out of its weakness.

Fear is the mother of morality.

I am a prelude to better players, O my brothers! An example! Follow my example!

One had better put on gloves before handling the New Testament. The presence of so much filth makes it highly advisable.

You say that I should be your teacher! See to it that I am your pinion and not your brake.