The darkness within us is what makes us human. Acknowledging it is the first step towards true strength.
做你自己，其他的交给时间。
我不会因为累而停止，我会因为完成而停止。
Happiness is at your feet, if only you are willing to lower your head and look for it.
我已经履行了我的职责。我证明了庞加莱猜想，我在数学上没有什么可做的了。