The difference, so observable in men's understandings and parts, does not arise so much from their natural faculties, as acquired habits.
John LockeThings of this world are in so constant a flux, that nothing remains long in the same state.
John LockeProbability is a kind of penance, which God made, suitable, I presume to that state of mediocrity and probationership he has been pleased to place us in here; wherein, to check our over-confidence and presumption, we might, by every day's experience, be made sensible of our short-sightedness, and liableness to error.
John Locke