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The only way you can write the truth is to assume that what you set down will never be read.

"In observational studies, we often have to rely on assumptions that are not directly testable."

We don't even know how strong we are until we are forced to bring that hidden strength forward. In times of tragedy, of war, of necessity, people do amazing things. The human capacity for survival and renewal is awesome.

Nolite te bastardes carborundorum.

相信自己是最強大的力量。