Even great spirits have only their five-fingers' breadth of experience - just beyond it their thinking ceases and their endless empty space and stupidity begins.
Use truth as your anvil, nonviolence as your hammer and anything that does not stand the test when it is brought to the anvil of truth and hammered with nonviolence, reject it.
Correctitude implies nowadays a formal or fastidious use of words; and what is wanted is not so much the correct as the living use of words. It is the memory of the meaning of a word which is the life of the word.
There are certain times when most people are in a disposition of being informed, and 'tis incredible what a vast good a little truth might do, spoken in such seasons.
The life of a thinking man will probably be divided into two parts -- the first in which he desires to exterminate modern thinkers, and the second in which he desires to watch them exterminating each other. ... Suppose, for instance, there is an old story and a new skeptic who is skeptical of the story. We have only to wait a little while for a yet newer skeptic who is skeptical of the skeptic. He will probably find the old notion actually a help in his new notion. This process is an abstract truth applying to anything, apart from agreement or disagreement.