Wise men talk because they have something to say; fools, becasue they have to say something.
聪明人说话,是因为有些话要说;蠢人说话,则因为要说些话。
"Matching methods can be a powerful tool when randomization is not possible."
We have to be prepared to take some risks, but they must be calculated risks.
技术应该为农业服务,而不是相反 - 我们绝不能忘记我们的根基。