The most profound insights in mathematics often come from unexpected analogies.
"The past is never dead. It's not even past."
I'm not going to let anyone else's opinion of me define who I am.
无论你注定要做什么,现在就做。条件总是不可能的。
"You can't go back and change the beginning, but you can start where you are and change the ending."
你无法回到过去改变开头,但可以从现在开始改变结局。