必须尊重过去，但不能复制过去。
The past must be respected, but not copied.
过去是一个异国他乡；他们做事的方式不同。
Every barrel of oil we produce should be done with a focus on minimizing our footprint.
The principle of human dignity is the foundation of all the other principles of the natural law.
The difference between a policy and a crusade is that a policy is judged by its results, while a crusade is judged by how good it makes its crusaders feel.
Quality is never an accident; it is always the result of intelligent effort.