Is Gay Marriage Destroying Society?

The value of a pleasure or pain considered by itself will be greater or less according to the following four circumstances, its intensity, duration, its certainty or uncertainty. And then he says, but when any pleasure or pain is considered for the purpose of estimating the tendency of any act by which is produced, there are some other ones if to take into account. Specifically, it's fecundity, that is, the chance it has of being followed by sensations of the same kind. Its purity, or the chance it had of not being followed by sensation of opposite kind. How many people are involved, the number of persons to whom it extends,. in other words, who are affected by it.