领导者的愿景必须足够清晰以提供指导，但又足够灵活以进行调整。

The future of database technology lies in the ability to handle diverse data types and large-scale data efficiently.

To live under the American Constitution is the greatest political privilege that was ever accorded to the human race.

化学工业是现代文明的支柱，我们必须以应有的尊重和责任对待它。

衡量一个人的真正标准是他如何对待那些对他绝对没有好处的人。