质量是工程的生命线，任何时候都不能放松对质量的追求。

"Every border is a fiction, drawn first in the mind before it scars the earth."

Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.

化学的未来在于跨学科思维。