Real life is, to most men, a long second best, a perpetual compromise between the ideal and the possible.
Certain characteristics of the subject are clear. To begin with, we do not in this subject deal with particular things or particular properties: we deal formally with what can be said about any thing or any property. We are prepared to say that one and one are two, but not that Socrates and Plato are two.
Africans had to be taught that nudity is wicked; this was done very cheaply by missionaries.
Never let yourself be diverted, either by what you wish to believe, or what you think could have beneficent social effects if it were believed; but look only and solely at what are the facts.
None but a coward dares to boast that he has never known fear.