生命太短暂,不能浪费在消极上。
翻译:善行不积累不足以成就美名,恶行不积累不足以灭亡自身。
The study of computation is essential to understanding the limits of what can be computed.
以柳丝榆荚的从容反衬桃李的飘零,暗喻超然物外的态度