Affliction, a grief that harasses the body.

Despair, a grief that excludes all hope of better things to come.

But those feelings which are included under fear, they define thus: There is sloth, which is a dread of some ensuing labor; shame and terror, which affect the body--hence blushing attends shame; a paleness, and tremor, and chattering of the teeth attend terror--cowardice, which is an apprehension of some approaching evil; dread, a fear that unhinges the mind, whence comes that line of Ennius, Then dread discharged all wisdom from my mind; fainting is the associate and constant attendant on dread; confusion, a fear that drives away all thought; alarm, a continued fear.
IX.

The different species into which they divide pleasure come under this description; so that malevolence is a pleasure in the misfortunes of another, without any advantage to yourself; delight, a pleasure that soothes the mind by agreeable impressions on the ear.

What is said of the ear may be applied to the sight, to the touch, smell, and taste.
All feelings of this kind are a sort of melting pleasure that dissolves the mind.