Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.

At the end of reasons comes persuasion.

For a large class of cases - though not for all - in which we employ the word meaning it can be defined thus: the meaning of a word is its use in the language.

A serious and good philosophical work could be written consisting entirely of jokes.

A clever person solves a problem. A wise person avoids it.

If you don't have a hammer, you don't want anything to look like a nail.

The right method in any particular case must be largely determined by the nature of the problem.