The past is the past, and that’s where it belongs.
多元化投资可以降低风险,但也要注意不要过度分散。
在数学研究中,坚持是关键;许多伟大的成果来自于一遍又一遍地从不同角度看待同一个问题。
Coal built the modern world, and it's our responsibility to ensure its legacy is managed with wisdom.