I am sure, zeal or love for truth can never permit falsehood to be used in the defense of it.
John LockeSet the mind to work, and apply the thoughts vigorously to the business, for it holds in the struggles of the mind, as in those of war, that to think we shall conquer is to conquer.
John LockeChildren generally hate to be idle; all the care then is that their busy humour should be constantly employed in something of use to them
John LockeWords, in their primary or immediate signification, stand for nothing but the ideas in the mind of him who uses them.
John Locke