We must beat the iron while it is hot , but we may polish 19it at leisure20.
打铁必须趁热，但是要磨光它则不妨从容。
有些无限比其他无限更大。
浪漫的精髓就在于它充满种种可能。
If you're lonely when you're alone，you're in bad pany。
自由是一个沉重的负担，是精神承担的一个伟大而奇怪的负担。
The best designs are those that solve problems without drawing attention to themselves.
无人机的安全性不是选项，而是底线。
Our employees are our greatest asset; their skills and dedication drive our success.
小说是一面反映人类存在复杂性的镜子。
理论物理学之于数学，犹如雕塑之于几何学。