Croesus said to Cambyses; That peace was better than war; because in peace the sons did bury their fathers, but in wars the fathers did bury their sons.

...those experiments be not only esteemed which have an immediate and present use, but those principally which are of most universal consequence for invention of other experiments, and those which give more light to the invention of causes; for the invention of the mariner's needle, which giveth the direction, is of no less benefit for navigation than the invention of the sails, which give the motion.

The errors of young men are the ruin of business, but the errors of aged men amount to this, that more might have been done, or sooner.

States, as great engines, move slowly.

He that gives good advice, builds with one hand; he that gives good counsel and example, builds with both; but he that gives good admonition and bad example, builds with one hand and pulls down with the other.

You cannot teach a child to take care of himself unless you will let him try to take care of himself. He will make mistakes and out of these mistakes will come his wisdom.

All will come out in the washing.