Any labor which competes with slave labor must accept the economic conditions of slave labor. - Norbert Wiener

[T]he best material model of a cat is another, or preferably the same cat.

Until we in the community have made up our minds that what we really want is expiation, or removal, or reform, or or the discouragement of potential criminals, we shall get none of these, but only a confusion in which crime breeds more crime.

What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.