33. The uneasiness of desire determines the will.
Good and evil, present and absent, it is true, work upon the
mind. But that which immediately determines the will, from time to time, to every voluntary action, is the
uneasiness of desire, fixed on some absent good: either negative, as indolence to one in pain; or positive, as
enjoyment of pleasure. That it is this uneasiness that determines the will to the successive voluntary actions,
whereof the greatest part of our lives is made up, and by which we are conducted through different courses to
different ends, I shall endeavour to show, both from experience, and the reason of the thing.
