Economy is in itself a great source of revenue.

To wish to be well is a part of becoming well.

As the soil, however rich it may be, cannot be productive without cultivation, so the mind without culture can never produce good fruit

He who boasts of his descent, praises the deed of another.

Wisdom teaches us to do, as well as to talk; and to make our words and actions all of a colour.

...the geometrician teaches me how to work out the size of my estates rather than how to work out how much a man needs in order to have enough....You geometers can calculate the area of circles, can reduce any given shape to a square, can state the distances separating starts. Nothing's outside your scope when it comes to measurement. Well, if you're such an expert, measure a man's soul; tell me how large or how small that is. You can define a straight line; what use is that to you if you've no idea what straightness means in life?

In the meantime, cling tooth and nail to the following rule: not to give in to adversity, not to trust prosperity, and always take full note of fortune's habit of behaving just as she pleases.