BOOK II PART III
nothing: But proceeds from both these causes
united, though separately they have no effect.
It is here, as in certain chymical preparations,
where the mixture of two clear and transparent
liquids produces a third, which is opaque and
coloured..
The interest, which we have in any game,
engages our attention, without which we can
have no enjoyment, either in that or in any
other action. Our attention being once en-
gaged, the difficulty, variety, and sudden re-
verses of fortune, still farther interest us; and
it is from that concern our satisfaction arises.
Human life is so tiresome a scene, and men
generally are of such indolent dispositions, that
whatever amuses them, though by a passion
mixt with pain, does in the main give them a
sensible pleasure. And this pleasure is here en-