“This, then, at last, Glaucon,” I said, “is the very law which dialectics*Cf. Phileb. 58 D, Meno 75 C-D, Charm. 155 A, Cratyl. 390 C, and on 533 B, pp. 200 f., note f. recites, the strain which it executes, of which, though it belongs to the intelligible, we may see an imitation in the progress*This is not a literal rendering, but gives the meaning. of the faculty of vision, as we described*Cf. 516 A-B. Plato interprets his imagery again here and in B infra. its endeavor to look at living things themselves and the stars themselves and finally at the very sun. In like manner, when anyone by dialectics attempts through discourse of reason and apart from all perceptions of sense*Cf. p. 180, note a, and p. 187, note c. Cf. also 537 D, and on 476 A ff. Cf. Bergson, Introduction to Metaphysics, p. 9: Metaphysics, then, is the science which claims to dispense with symbols; E. S. Robinson, Readings in General Psych. p. 295: A habit of suppressing mental imagery must therefore characterize men who deal much with abstract ideas; and as the power of dealing easily and firmly with these ideas is the surest criterion of a high order if intellect . . . ; Pear, Remembering and Forgetting, p. 57: He (Napoleon) is reported to have said that "there are some who, from some physical or moral peculiarity of character, form a picture (tableau) of everything. No matter what knowledge, intellect, courage, or good qualities they may have, these men are unfit to command"; A. Bain, Mind,