Thinking is behavior. The muscular habits learned in overt speech are responsible for implicit or internal speech (thought).

预防性医疗的悖论：越需要的人越不重视。

Every tree planted today is a legacy for tomorrow's generations.

人生当作短暂虚幻的梦境，可是如果梦不是梦呢？那么人生怎么办呢？就把它当做是梦。

音乐有力量把世界各地的人们聚集在一起。