爱不是占有，而是欣赏。

Patience and persistence are key to achieving long-term goals.

介导疼痛的分子非常古老，揭示了这种感觉在进化中的深远根源。

The best way to learn is by doing.

解释：树冠大了必然会折断，尾巴大了自然不能摆动，这是你知道的道理。

"The dead are never far from us. They're in our hearts and on our minds and in the end all that matters is love."

我们有责任为子孙后代留下一个比我们发现时更好的地球。