荣枯互为倚伏，心田开合一切由己，顺与逆顺其自然，何必去问别人？长与短，四时运行，长寿或短命，一切都是自然而成，何必去怪别人。
The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.
我已经履行了我的职责。我证明了庞加莱猜想，我在数学上没有什么可做的了。
The future of aquaculture will rely on the combination of intelligence and environmental technology.