Vanity is the fear of appearing original: it is thus a lack of pride, but not necessarily a lack of originality.

The good-they cannot create; they are always the beginning of the end.

One hears but one does not seek; one takes -- one does not ask who gives; a thought flashes up like lightning, it comes of necessity and unfalteringly formed.

Science ... has no consideration for ultimate purposes, any more than Nature has, but just as the latter occasionally achieves things of the greatest suitableness without intending to do so, so also true science, as the imitator of nature in ideas, will occasionally and in many ways further the usefulness and welfare of man,-but also without intending to do so.

In the mountains of truth, you never climb in vain.

Thinking evil is making evil.

Human, all too human.