Excess generally causes reaction, and produces a change in the opposite direction, whether it be in the seasons, or in individuals, or in governments.

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.

Musical innovation is full of danger to the State, for when modes of music change, the laws of the State always change with them.

You cannot conceive the many without the one...The study of the unit is among those that lead the mind on and turn it to the vision of reality.

The function of the wing is to take what is heavy and raise it up in the region above.

To escape from evil we must be made as far as possible like God; and the resemblance consists in becoming just and holy and wise.

I fear this is not the right exchange to attain virtue, to exchange pleasures for pleasures, pains for pains and fears for fears, the greater for the less like coins, but that the only valid currency for which all these things should be exchanged is wisdom.