The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.

森林的真正价值不仅在于其木材，还在于其维持生命的能力。

The sands in you way beg for your song and your movement,dancing water.Will you carry the burden of their lameness?

教育必须基于儿童的心理发展，而不是教育者的任意意志。