In all matters, before beginning, a diligent preparation should be made.
For surely to be wise is the most desirable thing in all the world.
What is impossible by the nature of things is not confirmed by any law.
Not only is there an art in knowing a thing, but also a certain art in teaching it.
Whatever is graceful is virtuous, and whatever is virtuous is graceful.
Friendship is not to be sought for its wages, but because its revenue consists entirely in the love which it implies.