Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

Technology in forestry should serve nature, not conquer it.

The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.

解析：好善恶恶是人之本能。

唯一存在的限制是你给自己设定的限制。