最可持續(xù)的采石場(chǎng)是能夠平衡生產(chǎn)和環(huán)境管理的采石場(chǎng)。
數(shù)學(xué)的快樂來(lái)自于為理解而奮斗。
The soul is a fire that darts its rays through all the senses; it is in this fire that existence consists.
每一天都證實(shí)了他對(duì)所有人類性格的不一致性的信仰，以及對(duì)功績(jī)或理智外表的依賴性很小。
生命太重，不必當(dāng)真。
The greatest foe to liberty is the inert majority.
The future of energy lies in the integration of traditional and renewable sources. We must adapt and lead this transition.
說(shuō)到底，作家只是他書的一半。另一半是讀者，作家從讀者那里學(xué)習(xí)。
善不僅僅是不去做錯(cuò)事，更重要的是不去渴望做錯(cuò)事。