"Study from time to time, don't you?"
"Review the past and learn new things, and you can be a teacher."
"Knowing is knowing, not knowing is not knowing, just knowing."
"Learning without thinking is useless, thinking without learning is dangerous.
"Sensitive and eager to learn, not ashamed to ask questions."
"In a threesome, there must be a teacher; Choose good and follow it, but change it if it is not good. "
"I go to three provinces every day: Are you unfaithful to others? Don't believe in making friends? Can't you learn? "
"The gentleman is harmonious but different, and the villain is not harmonious."
"Knowing is not as good as being good, and being good is not as good as being happy."
"When learning, don't you say the same? Isn't it a pleasure to have friends coming from afar? "