释义：兵法的要旨在于灵活应变，善于了解和掌握军事的本质，行动之前必须先预测敌人的动向。
无人机的未来属于那些敢于梦想并付诸行动的人。
The role of the artist is to ask questions, not to provide answers.
The only merit I have is to have painted directly from nature.
The true value of life lies in transcending oneself and creating value for others.
Serving your country is an honor, not a right.