He would be laughed at, that should go about to make a fine dancer out of a country hedger, at past fifty. And he will not have much better success, who shall endeavour, at that age, to make a man reason well, or speak handsomely, who has never been used to it, though you should lay before him a collection of all the best precepts of logic or oratory.
John LockeWhen I had gone through the whole, and saw what a plain, simple, reasonable thing Christianity was, suited to all conditions and capacities; and in the morality of it now, with divine authority, established into a legible law, so far surpassing all that philosophy and human reason had attained to, or could possibly make effectual to all degrees of man kind; I was flattered to think it might be of some use in the world.
John LockeYou shall find, that there cannot be a greater spur to the attaining what you would have the eldest learn, and know himself, than to set him upon teaching it his younger brothers and sisters.
John LockeHence it is a mistake to think, that the supreme or legislative power of any common-wealth, can do what it will, and dispose of the estates of the subject arbitrarily, or take any part of them at pleasure.
John LockeWhere danger shews it self, apprehension cannot, without stupidity, be wanting; where danger is, sense of danger should be; and so much fear as should keep us awake, and excite our attention, industry, and vigour; but not to disturb the calm use of our reason, nor hinder the execution of what that dictates.
John Locke