Collaboration across borders is essential to combat illegal logging.
The only limit to our realization of tomorrow will be our doubts of today.
活着是世界上最罕见的事情。大多数人只是存在,仅此而已。
The best experiments often come from simple ideas and careful observation.
译文:做好事就像登山一样艰难,做坏事就像山崩一样容易。