切割金属艺术的第一步是找到一个具备必要技能和经验的人。
The first step in the art of cutting metals is to find a man who has the necessary skill and experience.
Mathematics is the language of the universe, and through it, we can understand the fundamental principles that govern our world.
所以英明的君主治理国家，明确奖赏民众就会努力立功，严厉刑罚民众就会遵守法律。
素描是艺术的诚实。没有欺骗的可能。它要么好，要么坏。