最重要的是能够思考。
The most important thing is to be able to think.
One of the advantages of being old is that you can speak your mind without worrying about the consequences.
We are all prisoners of our own minds, and it is only through self-reflection that we can break free.
Innovation in forestry begins with respect for nature.
年轻时,你以为会有很多人能与你产生共鸣。后来你才意识到,这种情况一生只会发生几次。
The true test of a mathematical idea is its ability to inspire further questions.