It is wiser to find out than to suppose.

Education is the path from cocky ignorance to miserable uncertainty.

Never argue with a fool, onlookers may not be able to tell the difference.

If you hold a cat by the tail you learn things you cannot learn any other way.

When you have to hold a hot coffee-pot, it is better not to break the handle off.

The past is a rich resource on which we can draw in order to make decisions for the future, but it does not dictate our choices. We should look back at the past and select what is good, and leave behind what is bad.