Behind Every Smile There's Teeth.

To Know Your Faults And Be Able To Change Is The Greatest Virtue.

To Learn Without Thinking Is Labour In Vain, To Think Without Learning Is Desolation.

Clever Talk Can Confound The Workings Of Virtue, Just As Small Impatiences Can Confound Great Projects.

What You Dislike In Your Superiors, Avoid Doing To Your Inferiors. What You Dislike In Your Inferiors, Avoid Doing When Working For Your Superiors. What You Hate In Those Who Are In Front Of You, Do Not Do To Those Behind You.

At 15 I Set My Heart On Learning; At 30 I Firmly Took My Stand; At 40 I Had No Delusions; At 50 I Knew The Mandate Of Heaven; At 60 My Ear Was Attuned; At 70 I Followed My Heart's Desire Without Overstepping The Boundaries Of Right.