心是脆弱的东西，容易破碎但难以修复。
The difference between correlation and causation is not just academic—it can have profound policy implications.
The greatest obstacle to progress is not ignorance, but the illusion of knowledge.
Never stop learning, because the world never stops changing.
天然气开采的创新是满足世界日益增长的能源需求同时减少环境影响的关键。
说话过多会有不当之处，不如沉默寡言以保无虞。