He that had never seen a river, imagined the first he met with to be the sea.

Since philosophy is the art which teaches us how to live, and since children need to learn it as much as we do at other ages, why do we not instruct them in it? .. But in truth I know nothing about the philosophy of education except this: that the greatest and the most important difficulty known to human learning seems to lie in that area which treats how to bring up children and how to educate them.

It is probable that the principal credit of miracles, visions, enchantments, and such extraordinary occurrences comes from the power of imagination, acting principally upon the minds of the common people, which are softer.

The laws of conscience, which we pretend to be derived from nature, proceed from Custom.

I find that the best virtue I have has in it some tincture of vice.

Learning is not to be tacked to the mind, but we must fuse and blend them together, not merely giving the mind a slight tincture, but a thorough and perfect dye. And if we perceive no evident change and improvement, it would be better to leave it alone; learning is a dangerous weapon, and apt to wound its master if it be wielded by a feeble hand, and by one not well acquainted with its use.

No doctor takes pleasure in the health even of his friends.