The great question which in all ages has disturbed mankind, and brought on them the greatest part of those mischiefs which have ruined cities, depopu… - John Locke

The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs ... has been, not whether be power in the world, nor whence it came, but who should have it.

But yet possibly it will still be objected, suppose I wholly lose the memory of some parts of my life, beyond a possibility of retrieving them, so that perhaps I shall never be conscious of them again; yet am I not the same person, that did those actions, had those thoughts, that I once was conscious of, though I have now forgot them? To which I answer, that we must here take notice what the word I is applied to, which in this case is the man only. And the same man being presumed to be the same person, I is easily here supposed to stand also for the same person. But if it be possible for the same man to have distinct incommunicable consciousness at different times, it is past doubt the same man would at different times make different persons

We are born to be, if we please, rational creatures, but it is use and exercise only that makes us so, and we are indeed so no farther than industry and application has carried us.

Beating is the worst, and therefore the last means to be us'd in the correction of children, and that only in the cases of extremity, after all gently ways have been try'd, and proved unsuccessful; which, if well observ'd, there will very seldom be any need of blows.