I am ashamed of my master and not of my servitude.

All my life I have been seeking to climb out of the pit of my besetting sins and I cannot do it and I never will unless a hand is let down to draw me up.

A man who has taken your time recognises no debt; yet it is the one he can never repay.

The important thing about a problem is not its solution, but the strength we gain in finding the solution

To be everywhere is to be nowhere.

A troubled countenance oft discloses much.

Men learn while they teach.