Understanding like the eye; whilst it makes us see and perceive all things, takes no notice of itself; and it requires art and pains to set it at a distance and make it its own subject.
John LockeThe visible mark of extraordinary wisdom and power appear so plainly in all the works of creation.
John LockeThe state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it.
John Locke