The intelligent person is not one who merely knows what is good and what is bad. The intelligent person is one who, when he sees what is good, follows it, and when he sees evil, shuns it.
In bad or corrupted natures the body will often appear to rule over the soul, because they are in an evil and unnatural condition. At all events we may firstly observe in living creatures both a despotical and a constitutional rule; for the soul rules the body with a despotical rule, whereas the intellect rules the appetites with a constitutional and royal rule. And it is clear that the rule of the soul over the body, and of the mind and the rational element over the passionate, is natural and expedient; whereas the equality of the two or the rule of the inferior is always hurtful.
Woe betide him, and her too, when it comes to things of consequence, when they are placed in circumstances requiring fortitude and strength of mind, if she have not resolution enough to resist idle interference ... It is the worst evil of too yielding and indecisive a character, that no influence over it can be depended on. You are never sure of a good impression being durable; everybody may sway it. Let those who would be happy be firm.