如果你无法简单地解释它，说明你理解得还不够透彻。
数学之美在于它能够精确而优雅地描述自然界的基本法则。
The beauty of music lies in its ability to transcend boundaries and bring people together.
Be so good they can't ignore you.
The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.
Sustainability isn't just a buzzword—it's the foundation upon which future forests must grow.