Prayers and sacrifices are of no avail.

Music directly imitates the passions or states of the soul...when one listens to music that imitates a certain passion, he becomes imbued withthe same passion; and if over a long time he habitually listens to music that rouses ignoble passions, his whole character will be shaped to an ignoble form.

Philosophy begins with wonder.

He who cannot be a good follower cannot be a good leader.

Evidence from torture may be considered completely untrustworthy

To learn is a natural pleasure, not confined to philosophers, but common to all men.

This much then, is clear: in all our conduct it is the mean that is to be commended.