解释：树立品德，莫如日积月累，不懈怠地培植；治疗疾病，莫如彻底消除，不留下任何病根。

Every piece of plastic we produce should have a clear path to being reused or recycled.

Combinatorics is the art of counting without counting.

文章的妙处在于，一句话能说尽天下的道理，片言能概括万物的情状。