我写作是为了理解,为了理解世界和我在其中的位置。
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
可持续发展不是选择,而是对后代的责任。
解释:对别人的灾祸而幸灾乐祸是不仁义的,乘别人的危难去攻击不符合武德。