When hitchhiking， look like the person you want to pick you up.

The best investments are often the ones that are the most boring.

The only thing you sometimes have control over is perspective. You don't have control over your situation. But you have a choice about how you view it.

在石油行业取得成功不仅需要资本，还需要远见和不懈的执行。

学习数学的最好方法就是做数学。