36.] "Obest plerumque iis, qui discere volunt, auctoritas eorum, qui docent." ["The authority of those who teach, is very often an impediment to those who desire to learn."-- Cicero, De Natura Deor., i.

5.] It is good to make him, like a young horse, trot before him, that he may judge of his going, and how much he is to abate of his own speed, to accommodate himself to the vigour and capacity of the other.

For want of which due proportion we spoil all; which also to know how to adjust, and to keep within an exact and due measure, is one of the hardest things I know, and 'tis the effect of a high and well-tempered soul, to know how to condescend to such puerile motions and to govern and direct them.
I walk firmer and more secure up hill than down.
Such as, according to our common way of teaching, undertake, with one and the same lesson, and the same measure of direction, to instruct several boys of differing and unequal capacities, are infinitely mistaken; and 'tis no wonder, if in a whole multitude of scholars, there are not found above two or three who bring away any good account of their time and discipline.

Let the master not only examine him about the grammatical construction of the bare words of his lesson, but about the sense and let him judge of the profit he has made, not by the testimony of his memory, but by that of his life.

Let him make him put what he has learned into a hundred several forms, and accommodate it to so many several subjects, to see if he yet rightly comprehends it, and has made it his own, taking instruction of his progress by the pedagogic institutions of Plato.