— 128 —
      §2. Delight, or Uneasiness, one or other of them join themselves to
almost all our Ideas, both of Sensation and Reflection: And there is
scarce any affection of our Senses from without, any retired thought
of our Mind within, which is not able to produce in us pleasure or
pain. By Pleasure and Pain, I would be understood to signifie, what-
soever delights or molests us; whether it arises from the thoughts of
our Minds, or any thing operating on our Bodies. For whether we
call it Satisfaction, Delight, Pleasure, Happiness, etc. on the one
side; or Uneasiness, Trouble, Pain, Torment, Anguish, Misery, etc.
— 129 —
on the other, they are still but different degrees of the same thing,
and belong to the Ideas of Pleasure and Pain, Delight or Uneasiness;
which are the Names I shall most commonly use for those two sorts
of Ideas.
Locke Hum II, 7, §2, pp. 128-129