Your time is limited, so don’t waste it living someone else’s life.
你的时间有限,所以不要浪费在过别人的生活上。
The essence of mathematics lies in its freedom.
挑战是伪装的机会,用勇气和创造力去迎接它们。
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.