xxxix.
XXXVII.

Revenge is the desire whereby we are induced, through mutual hatred, to injure one who, with similar feelings, has injured us.

(See III.xl.Coroll.ii and note.) XXXVIII.

Cruelty or savageness is the desire, whereby a man is impelled to injure one whom we love or pity.
Explanation--To cruelty is opposed clemency, which is not a passive state of the mind, but a power whereby man restrains his anger and revenge.
XXXIX.

Timidity is the desire to avoid a greater evil, which we dread, by undergoing a lesser evil.