The greatest discovery of any generation is that a human being can alter his life by altering his attitude.
手工制造一支这样的枪所需的劳动会耗尽任何普通工匠的耐心和毅力。
Sustainability isn't an option—it's an imperative for the future of energy.
一个作家是一个对现实世界不满意的人,他想要改变它,改善它,让它变得更美丽,更公正,更宜居。