And one of the commonest forms of fallacious reasoning arising from ambiguity, is that of arguing from a metaphorical expression as if it were litera… - John Stuart Mill

The human faculties of perception, judgment, discriminative feeling, mental activity, and even moral preference, are exercised only in making a choice. He who does anything because it is the custom, makes no choice.

To see the futurity of the species has always been the privilege of the intellectual elite, or of those who have learnt from them; to have the feelings of that futurity has been the distinction, and usually the martyrdom, of a still rare elite. Institutions, books, education, society, all go on training human beings for the old, long after the new has come; much more when it is only coming.

if any opinion is compelled to silence, that opinion may, for aught we can certainly know, be true. To deny this is to assume our own infallibility.