To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
做数学就是探索一个思想的宇宙,唯一的限制是你的想象力。
孩子从你的行为中学到的比从你的教导中学到的更多。
我是一个不断进步的人,我接受这一点。
成功的关键是失败。
The voice of indigenous communities must be heard in forest conservation efforts.
The writer must be able to superintend himself and criticize himself.