A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.
The most important thing is to stay focused and keep shipping.
在弦理论的景观中,可能有10^500种不同的真空状态,每种状态对应一个不同的可能宇宙。
元素周期表不仅是一张图表,它是宇宙的故事。
The great challenge of our time is to create a world order that is both just and sustainable.