自然的統(tǒng)一性不是假設(shè)而是事實(shí)。
化學(xué)的藝術(shù)在于能夠分離、識(shí)別并確定構(gòu)成物質(zhì)的成分及其數(shù)量。
世間萬物，沒有孤立存在的，必然有其對(duì)立面。
"A book is a dream that you hold in your hand."
A company is only as strong as its commitment to its community.