在数学中，最简单的解释往往是最深刻的。
In mathematics, the simplest explanation is often the most profound.
可持续性不是一种选择；它是负责任农业的唯一前进道路。
The only constant in life is change.
解释：河水成冰，不是一日的寒冷所致；积土成为高山，不是须臾的工夫就能完成。
"The challenge of acting is to make the audience forget they are watching a performance."
The quality of an organization's adaptability determines the quality of its survival.
即使没人相信你，也要相信自己。
The great cause of the prosperity of the country is liberty—liberty in the economic system.