说出真相的唯一方式是以权威的口吻说话。
The only way to tell the truth is to speak with authority.
The goal of mathematics is to make the simple complicated, and the complicated simple.
我对愚人有着极大的信心；我的朋友称之为自信。
一只系得妥帖的领结，就是人生认真的第一步。
The world changes fast—those who adapt thrive.
"The future is always beginning now."
I have a dream, and that dream is worth every sacrifice I make.
我们必须在能源需求和保护地球之间取得平衡。