I don't need validation from anyone else. I know my worth.
我不需要别人的认可。我知道自己的价值。
衡量森林价值的真正标准不是木材的板英尺数,而是几个世纪的生态平衡。
当每个人都投入时,小的改变可以带来大的影响。
The unity of mathematics is not imposed but discovered.
The truth is, we know so little about life, we don't really know what the good news is and what the bad news is.