森林是地球的肺，我们必须给予它们应有的关怀。
Forests are the lungs of our planet; we must treat them with the care they deserve.
数学的研究就像空气或重力——它无处不在，即使你看不到它。
The future of democracy depends on the ability of democratic societies to reform themselves.
生活就是忍受，在混乱中找到意义，尽管痛苦也要继续前进。