Each person is born to one possession which outvalues all his others --- his last breath.
每一个人生下来都拥有一项资产，它比其他所有的资产价值都高，就是他最后的一口气。
Safety isn't a cost—it's an investment in our most valuable resource: people.
化学的未来在于开发与自然合作而非对抗的可持续方法。
The study of mathematics is a journey without an end.
幸福的准则：有事做，有人爱，有所期待。