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The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

The greatest photographers are those who have learned to see the world as it is, and then to see it as it might be.

Should you find yourself contorting to fit a system, dear reader, stop and ask if it's truly you that must change or the system.

Collaboration is essential in research; no one can solve big problems alone.

行業(yè)與環(huán)保人士之間的合作不僅是可能的，而且是必不可少的。