"Custom, then, is the great guide of human life. It is that principle alone which renders our experience useful to us, and makes us expect, for the future, a similar train of events with those which ha…"

"The general maxims of morality are insufficient to determine us to action."

"The identity, which we ascribe to the mind of man, is only a fictitious one, and of a like kind with that which we ascribe to vegetables and animal bodies."

"I am sensible, that, in order to make a man a good cavaller, 'tis not sufficient to teach him to ride; he must have a good horse."

"The identity that we ascribe to things is only a fictitious one, established by the mind, not a peculiar nature belonging to what we're talking about."