...that not life, but a good life, is to be chiefly valued.
But of the heaven which is above the heavens, what earthly poet ever did or ever will sing worthily?
Let him know how to choose the mean and avoid the extremes on either side, as far as possible. . . . For this is the way of happiness.
The contemplation of beauty causes the soul to grow wings.
No one is more hated than he who speaks the truth.
It is through geometry that one purifies the eye of the soul.