Every drop of oil saved through innovation is a step toward a cleaner future.

The interbank market is the circulatory system of modern finance.

【释义】：圣人处世的道理是灵活多变的，能根据时机和环境变化而采取合宜的行动，不拘泥于固定的方式。

生命中最重要的事情往往无法用语言表达。