In mathematics, you don't understand things. You just get used to them.
在数学中,你并不理解事物。你只是习惯了它们。
The world is changed by your example, not by your opinion.
债券市场是市场情绪的最终指标。
【大意】只有不求利益之人才能不导致害处,只有不求福分之人才能没有祸患。
如果你没有失败,说明你还不够努力。
The key to success is understanding and meeting the needs of others.