体育教育不仅是对身体的训练，更是通过身体进行的教育。

Profit should never come at the cost of the planet’s future.

解释：大多数花类药材都有升散的作用，而旋覆花却有降气的作用，说明药材特性的多样性。

In mathematics, the journey of discovery is often more rewarding than the destination itself.

"To be a writer is to sit down at one's desk in the chill portion of every day, and to write; not waiting for the little jet of the blue flame of genius to start from the breastbone."