Rousseau on Babble, Morality, and Predicting the Revolution

From Emile:

     I do not like verbal explanations. Young people pay little heed to them, nor do they remember them. Things! Things! I cannot repeat it too often. We lay too much stress upon words; we teachers babble, and our scholars follow our example.
 

The teacher's art consists in this: To turn the child's attention from trivial details and to guide his thoughts continually towards relations of importance which he will one day need to know, that he may judge rightly of good and evil in human society.

     You reckon on the present order of society, without considering that this order is itself subject to inscrutable changes, and that you can neither foresee nor provide against the revolution which may affect your children. The great become small, the rich poor, the king a commoner. Does fate strike so seldom that you can count on immunity from her blows? The crisis is approaching, and we are on the edge of a revolution.