A Fool Despises Good Counsel, But A

A Blemish May Be Removed From A Diamond By Careful Polishing, But Evil Words Once Spoken Cannot Be Effaced.

You Do Not Understand Even Life. How Can You Understand Death?

A Man Who Reviews The Old So As To Find Out The New Is Qualified To Teach Others.

To Know That One Knows What One Knows, And To Know That One Doesn't Know What One Doesn't Know, There Lies True Wisdom.

The Essence Of Knowledge Is, Having It, To Use It.