If you make a mistake and do not correct it, this is called... - Confucius

"Only the wisest and stupidest of men never change."

"It does not matter how slowly you go as long as you do not stop."

"He who speaks without modesty will find it difficult to make his words good."

"No lake so still but it has its wave.No circle so perfect but that it has its blur.I would change things for you if I could; As I can't you must take them as they are."

"Wenn du weißt, behaupte, dass du es weißt. Und wenn du etwas nicht weißt, gib zu, dass du es nicht weißt. Das ist Wissen."