The last reflection of the Stoic philosophy that I have observed is in Simplicius' "Commentary on the Enchiridion of Epictetus." Simplicius was not a… - George Long

Some distinguished philosophers think that boys' eyes should be taught or trained to the examination of objects: in other words, that boys should be taught to observe things and to see likeness and difference. It is done to some extent by all boys: their games teach them something, and they know a cake from an apple. But the power of careful, patient looking at a thing is not fully acquired without some pains on the part of a teacher. When a boy reads aloud, he must look carefully at the words and letters, or he will blunder. This is an instance of observation. But the philosophers mean, I believe, that we should introduce certain things called sciences into school teaching.

The chief business of education... is to attempt to form good habits in children, to improve the understanding, and to check the formation of bad habits.

Epictetus wanted little, and it seems that he always had the little that he wanted, and he was content with it, as he had been with his servile station. But Antoninus after his accession to the empire sat on an uneasy seat. … what must be the trials, the troubles, the anxiety, and the sorrows of him who has the world's business on his hands with the wish to do the best that he can, and the certain knowledge that he can do very little of the good which he wishes.