The dead are our silent partners in the search for truth.
A verdadeira viagem de descobrimento não consiste em procurar novas paisagens, mas em ter novos olhos.
The actions of men are the best interpreters of their thoughts.
可持续发展应成为每家化工企业战略的核心,而不是事后才考虑的事。
The most important skill for the future is the ability to learn.