I doubt not, but from self-evident Propositions, by necessary Consequences, as incontestable as those in Mathematics, the measures of right and wrong might be made out.
John LockeMathematical proofs, like diamonds, are hard and clear, and will be touched with nothing but strict reasoning.
John LockeThere is frequently more to be learned from the unexpected questions of a child than the discourses of men.
John LockeHabits wear more constantly and with greatest force than reason, which, when we have most need of it, is seldom fairly consulted, and more rarely obeyed
John Locke