You can't change what's already happened, so focus on the present moment.
你的爱如此令人上瘾
解决复杂问题的关键是提出正确的因果问题。
世界上充满了显而易见的事情,但没有人注意到。
Cryptography is about communication in the presence of adversaries.
Agricultural research requires enduring loneliness and withstanding failures.