最深的伤口是看不见的。
Virtually no idea is too ridiculous to be accepted, even by very intelligent and highly educated people, if it provides a way for them to feel special and important. Some confuse that feeling with idealism.
数学不是一项观赏性运动。
能源独立不仅仅是一个目标;它是国家安全的必需品。
What good's an opinion if you don't know?