战斗越艰难，胜利就越甜蜜。
The harder the battle, the sweeter the victory.
The exploration of computational complexity is a journey into the unknown, where each discovery opens new doors.
释义：阿那克西米尼可能认为，天体的升起是大地呼出气的结果，体现了地气与天体的紧密联系。