The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

能源的真实成本必须同时考虑其生产和遗留影响。

"The only limit to our realization of tomorrow will be our doubts of today."

创新不是目的，解决问题才是。

Always think long-term. Short-term gains can lead to long-term losses.

Leadership is not just about making decisions; it's about inspiring others to achieve greatness.

译文：年轻时候的努力是有益终身的大事，对着匆匆逝去的光阴，不要丝毫放松自己的努力。赏析：光阴易逝，岁月不饶人，我们要敢于尝试，敢于拼搏，不要怕失败，即使失败了也会收获很多经验。