The best time to plant a tree was 20 years ago. The second best time is now.
种树的最佳时间是20年前,第二好的时间是现在。
The sole meaning of life is to serve humanity.
真正的诗篇不是用墨水而是用鲜血写就的。
"The photograph is just the starting point. The painting is something else entirely."
数学不是一门演绎科学——那是陈词滥调。当你试图证明一个定理时,你不仅仅是列出假设然后开始推理。你所做的是反复试验、实验和猜测。