你唯一應(yīng)該努力超越的人就是昨天的自己。
The only person you should try to be better than is the person you were yesterday.
——《在滬舉辦茶話會上的演說》（1916年7月17日）
Mathematics is not a spectator sport. You have to get involved.
"A book is a mirror: if an ape looks into it, an apostle is unlikely to look out."
"寫作是一種反抗，是對遺忘的抗?fàn)帲菍Τ聊奶魬?zhàn)。"