It takes a strong man to save himself, and a great man to save another.
Collaboration across borders is the only way to address global deforestation.
The double helix structure of DNA is not only beautiful but also elegantly simple.
当我们本应更明智地保护自己免受其害时,纯真总是默默地呼唤保护:纯真就像一个失去了铃铛的哑巴麻风病人,漫游世界,无意伤害。
认为世界上只有一种真理,而自己正掌握着它,在我看来这是世界上所有邪恶最深的根源。