如果你花超过13分钟分析经济和市场预测,你就浪费了10分钟。
父亲过于慈爱,不忍心鞭策子女,那么家里就容易出现品德败坏的子女。
The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.
I'm grateful for every moment, good or bad.