适合从事任何特定行业的人，如果没有与他一起工作或在他之上的人的帮助和指导，就无法理解该行业的科学。
The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.
我们今天种下的每一棵树都是对明天的承诺。
My favorite things in life don’t cost any money.It’s really clear that the most precious resource we all have is time.
Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.
