乐观是为创造更美好未来的一种策略
"Optimism is a strategy for making a better future."
"The most dangerous stories are the ones we tell ourselves."
Tennis is a brutal sport. There are no draws. If you lose, you’re out.
世界变化很快，适应者才能蓬勃发展。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.