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The true cost of oil isn't just the price per barrel—it's the environmental and social impact.
石油的真正成本不仅仅是每桶的价格,还包括环境和社会影响。
教学是我最伟大的艺术作品。
Society can and does execute its own mandates, and if it issues wrong mandates instead of right, or any mandates at all in things with which it ought not to meddle, it practices a social tyranny more formidable than many kinds of political oppression, since, though not usually upheld by such extreme penalties, it leaves fewer means of escape, penetrating much more deeply into the details of life, and enslaving the soul itself.
"The truth is not always beautiful, but the pursuit of it is."