No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind.
A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of effort.
我不是那種會讓對比賽的熱愛減少的人。
? ? ——杜先生晚年在香港，先生為中國抗戰(zhàn).賑災慈善做出巨大貢獻，晚年依舊氣度過人，毀掉所有欠條。