Experience is the only good 'tis safer to borrow than to buy.

Of the future, man knows least; yet, about this, he worries most.

If silence is good for the wise, how much better is it for the foolish!

We are not men, but promises of men.

If you must hate a man for the many things about which you disagree, remember that you should also love him for the many things about which you agree.

Few can tell what they know without also showing what they do not know.

What we know is to what we do not know, as a grain of sand is to the beach.