过去是一个异国他乡;他们在那里行事不同。
化学是一门奇妙的科学,但一个人不应该完全投身于其中。
科学是个美妙的东西——如果无须靠它维生的话。
A miner's safety should never be measured in cost-benefit analyses.
"A writer must be a rebel against all forms of oppression, both visible and invisible."