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In mathematics, the art of proposing a question must be held of higher value than solving it.
文章之所以不能断绝于天地之间,是因为它能够阐明道理,记录政事,体察民间疾苦,乐于称道他人的善行。
What we learn from history is that people don't learn from history.
Short-term gains should never come at the expense of long-term sustainability.
CLEANLINESS. Tolerate no uncleanliness in body, cloaths, or habitation.
最强大的生态系统是那些具有多样性的生态系统。