This is that which I think great readers are apt to be mistaken in; those who have read of everything, are thought to understand everything too; but … - John Locke

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

The understanding, like the eye, whilst it makes us see and perceive all other things, takes no notice of itself: and it requires art and pains to set it at a distance and make it its own object....

If by this inquiry into the nature of the understanding, I can discover the powers thereof; how far they reach; to what things they are in any degree proportionate; and where they fail us, I suppose it may be of use to prevail with the busy mind of man to be more cautious in meddling with things exceeding its comprehension; to stop when it is at the utmost extent of its tether; and to sit down in a quiet ignorance of those things which, upon examination, are found to be beyond the reach of our capacities.

But since the great foundation of fear in children is pain, the way to harden and fortify children against fear and danger is to accustom them to suffer pain.

"Freedom, then, is not what sir Robert Filmer tells us, O.A. 55, " a liberty for every one to do what he lists, to live as he pleases, and not to be tied by any laws :" but freedom of men under government is, to have a standing rule to live by, common to every one of the society,"