Education:-
§ "Good and evil, reward and punishment, are the only motives to a rational creature: these are the spur and reins whereby all mankind are set on work, and guided." (Some Thoughts Concerning Education, 1693, sec. 54.)
§ "Virtue is harder to be got than knowledge of the world; and, if lost in a young man, is seldom recovered." (Some Thoughts Concerning Education, sec. 64.)
§ "The only fence against the world is a thorough knowledge of it." (Some Thoughts Concerning Education, sec. 88.)
Error:-
§ "All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it." (Essay Concerning Human Understanding, bk. IV, ch. 20, sec. 17.)
§ "It is one thing to show a man that he is in error, and another to put him in possession of truth." (Essay Concerning Human Understanding, bk. IV, ch. 7, sec. 11.)
Government:-
§ "Government has no other end than the preservation of property."
Ideas:-
§ "There seems to be a constant decay of all our Ideas, even of those which are struck deepest." (Essay Concerning Human Understanding, ii. x. 5.)
Law:-
§ "Wherever Law ends, Tyranny begins." (Second Treatise of Government, sec. 202.)
§ "Law, in its proper Notion, is the Direction of a free and intelligent Agent to his proper Interest." (Government, ii. vi. 57.)
§ "The Legislative cannot transfer the Power of making Laws to any other hands." (Government, ii. 141 xi. (1694) 276.)
§ "We must, wherever we suppose a Law, suppose also some Reward or Punishment annexed to that Rule." (Essay Concerning Human Understanding, ii. xxviii. (1695) 192.)
Opinions:-
§ "New opinions are always suspected, and usually opposed, without any other reason but because they are not already common." (Essay Concerning Human Understanding, dedicatory epistle.)
Property:-
§ "He is willing to join in Society with others for the mutual Preservation of their Lives, Liberties and Estates, which I call by the general Name, Property." (Government, ii. ix. 123.)
Understanding:-
§ "He is certainly the most subjected, the most enslaved, who is so in his Understanding." (Essay Concerning Human Understanding, iv. xix. 6.)
§ "'Tis Ambition enough to be employed as an Under-Labourer in clearing the Ground a little." (Essay Concerning Human Understanding.)
§ "... we are utterly uncapable of universal and certain Knowledge." (Essay Concerning Human Understanding, iv. iii. 28.)