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In chemicals, our greatest challenge is also our greatest opportunity: meeting global needs while protecting the planet.

人是自己的囚犯。

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.

在危機(jī)時(shí)刻，真正的領(lǐng)導(dǎo)力體現(xiàn)在冷靜、清晰和同理心。