The past is a foreign country; they do things differently there.
过去是一个异国他乡；他们做事的方式不同。
Happiness is not something ready made. It comes from your own actions.
Die größte Gefahr im Leben ist, dass man zu viele Vorsichtsmaßnahmen trifft.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Respect for the environment and respect for people go hand in hand.
释义：他或许认为，气通过凝聚形成各种物质，万物因此得以成形。
The world is a book, and those who do not travel read only one page.