Discourses on a Sober and Temperate Life

It is a thing past all doubt, that custom, by time, becomes a second nature, forcing men to use that, whether good or bad, to which they have been habituated: nay, we see habit, in many things, get the better of reason. This is so undeniably true, that virtuous men, by conversing with the wicked, very often fall into the same vicious course of life.