The progress of science is not a straight line, but a series of zigzags, often retracing steps to gain a better foothold.
科学的进步不是一条直线，而是一系列曲折，常常需要回溯步骤以获得更好的立足点。
写作的行为是一种抵抗的行为。
我们靠获得的东西生存。但我们靠给予的东西生活。
The problem of quality management is not what people don't know about it. The problem is what they think they do know.
天地间存在灵性，精神永不消亡。
