每个问题都有两面性。
There are two sides to every question.
做事情不需要花费许多的体力,但做决定需要付出很大的精力。
真正的进步用收成和栖息地共同衡量成功。
"The quest for efficient algorithms is a journey through the landscape of mathematical possibility."
We have forty million reasons for failure, but not a single excuse.