数学证明的美在于它的简洁性和必然性。
The beauty of a mathematical proof lies in its simplicity and inevitability.
小花睡在尘土里，它寻求蝴蝶走的路。
我想把美国从所有阻碍人们前进的事物中解放出来。
"I want my music to make people feel good."
解释：乌鸦聚集在一起，虽然看上去很和好，实际上并不亲密；不慎重地结交朋友，虽似牢固，终必破裂。
A teacher must have a healthy body, the skills of a farmer, the mind of a scientist, the interest in art, and the spirit of social reform.
The future of forestry lies in balancing economic viability with ecological responsibility.