投我以桃，报之以李。
你把桃子投于我，我把李子回赠与你。桃子和李子价值相当，表明我本人是知恩图报的，也有互相赠送，礼尚往来的意思。
"The best performances come from a place of honesty and vulnerability."
The surest way to tame a prisoner is to let him believe he’s free.
Every challenge is an opportunity to learn something new about yourself.
When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.