未來屬于那些相信自己夢(mèng)想之美的人。
Coal built the modern world, and it's our responsibility to ensure its legacy is managed with wisdom.
We are all connected; to each other, biologically; to the earth, chemically; to the rest of the universe, atomically.
"I am a work in progress, and that’s okay."
國(guó)家不是一個(gè)慈善機(jī)構(gòu)；它是一個(gè)強(qiáng)制組織。
安全是最大的效益，事故是最大的浪費(fèi)。
關(guān)系模型基于謂詞邏輯和集合論，為數(shù)據(jù)庫管理提供了堅(jiān)實(shí)的數(shù)學(xué)基礎(chǔ)。