The logic now in use serves rather to fix and give stability to the errors which have their foundation in commonly received notions than to help the search for truth. So it does more harm than good.

Parents who wish to train up their children in the way they should go must go in the way in which they would have their children go.

If a man's wit be wandering, let him study the mathematics; for in demonstrations, if his wit be called away never so little, he must begin again.

Generally, youth is like the first cogitations, not so wise as the second. For there is a youth in thoughts, as well as in ages. And yet the invention of young men, is more lively than that of old; and imaginations stream into their minds better, and, as it were, more divinely.

He was reputed one of the wise men that made answer to the question when a man should marry? 'A young man not yet, an elder man not at all.'

The only really interesting thing is what happens between two people in a room.

Great boldness is seldom without some absurdity.