The test of real and vigorous thinking, the thinking which ascertains truths instead of dreaming dreams, is successful application to practice. - John Stuart Mill

One would almost think that a man's children were supposed to be literally, and not metaphorically, a part of himself, so jealous is opinion of the smallest interference of law with his absolute and exclusive control over them; more jealous than of almost any interference with his own freedom of action: so much less do the generality of mankind value liberty than power.

This leads to the consideration of a third great division of names, into connotative and non-connotative, the latter sometimes, but improperly, called absolute.

Again, defenders of utility often find themselves called upon to reply to such objections as this — that there is not time, previous to action, for calculating and weighing the effects of any line of conduct on the general happiness. This is exactly as if any one were to say that it is impossible to guide our conduct by Christianity, because there is not time, on every occasion on which anything has to be done, to read through the Old and New Testaments.