The greatest value of drone technology is that it can reach places that are difficult for humans to access.

艺术是我唯一能真正表达自己的方式。

The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.

林业的效率并不意味着砍伐更多，而是让每一棵树都有价值。