You are never too old to set another goal or to dream a new dream.
当你写作时,你试图发现一些你不知道的东西。
The theory of reductive groups is the backbone of the Langlands program.
The true measure of a leader is how they respond in challenging times.
我对那些在挣扎中、试图弄清楚某些事情的角色感兴趣。