A student asked Zhi Nuo, "Teacher, you are so knowledgeable, why are you so modest?" Zhi Nuo replied: "Knowledge is like a circle. The known is inside the circle and the unknown is outside it. The more you know, the bigger the circle, and the bigger the circle, the more you don't know."
A wise man has long ears and short tongue. -flaig
Repetition is the mother of learning. -Dietzgen
Don't go to bed when you can't tell yourself what you