The true value of a mathematician lies in the problems they leave behind.
一个数学家的真正价值在于他们留下的问题。
Emancipate yourselves from mental slavery, none but ourselves can free our minds.
教育:从自负的无知到痛苦的不确定之路。
生活是一系列错过的联系和未解答的问题。
Never underestimate the power of persistence. Most people give up too soon.