That things are changed, and that nothing really perishes, and that the sum of matter remains exactly the same, is sufficiently certain.

Moreover, the works already known are due to chance and experiment rather than to sciences; for the sciences we now possess are merely systems for the nice ordering and setting forth of things already invented; not methods of invention or directions for new works.

You want accuracy, but not representation. If you know how to make the figuration, it doesn't work. Anything you can make, you make by accident. In painting, you have to know what you do, not how, when you do it.

A young man not yet, an elder man not at all.

Truth may perhaps come to the price of a pearl, that showeth best by day; but it will not rise to the price of a diamond or carbuncle, that showeth best in varied lights. A mixture of a lie doth ever add pleasure. Doth any man doubt that, if there were taken out of men's minds vain opinions, flattering hopes, false valuations, imaginations as one would, and the like, but it would leave the minds of a number of men poor shrunken things, full of melancholy and indisposition, and unpleasing to themselves?

It would be unsound fancy and self-contradictory to expect that things which have never yet been done can be done except by means which have never yet been tried.

There is nothing more certain in nature than that it is impossible for any body to be utterly annihilated.