All learning is in the learner, not the teacher.

Don't force your children into your ways, for they were created for a time different from your own.

In order for man to succeed in life, God provided him with two means, education and physical activity. Not separately, one for the soul and the other for the body, but for the two together. With these means, man can attain perfection.

Is it not true that the clever rogue is like the runner who runs well for the first half of the course, but flags before reaching the goal: he is quick off the mark, but ends in disgrace and slinks away crestfallen and uncrowned. The crown is the prize of the really good runner who perseveres to the end.

Seek truth while you are young, for if you do not, it will later escape your grasp

You should not honor men more than truth.

Philosophy is an elegant thing, if anyone modestly meddles with it; but if they are conversant with it more than is becoming, it corrupts them.