色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

成功不是關(guān)于金錢或權(quán)力，而是關(guān)于產(chǎn)生影響。

The beauty of mathematics lies in its simplicity and universality.

Your time is limited, so don't waste it living someone else's life. Don't be trapped by dogma—which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary.

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

你不是靠標(biāo)新立異獲得成功。你是靠保持沉默和小心翼翼地側(cè)身而行。