not necessary which only diversify pleasure, but do not remove pain, such as expensive food; and that these are neither natural nor necessary, which are such as crowns, or the erection of statues.)
- “Those desires which do not lead to pain, if they are not satisfied, are not necessary. It is easy to impose silence on them when they appear difficult to gratify, or likely to produce injury.
- “When the natural desires, the failing to satisfy which is, nevertheless, not painful, are violent and obstinate, it is a proof that there is an admixture of vain opinion in them; for then energy does not arise from their own nature, but from the vain opinions of men.
- “Natural justice is a covenant of what is suitable, leading men to avoid injuring one another, and being injured.
- “Those animals which are unable to enter into an argument of this nature, or to guard against doing or sustaining mutual injury, have no such thing as justice or injustice. And the case is the