孩子需要玩耍的自由和时间。玩耍不是奢侈品，而是必需品。

透明建立信任，信任建立业务。

In English every word can be verbed. Would that it were so in our programming languages.

我们不是从祖先那里继承地球；我们是从子孙那里借来的。这一原则指导着我们迈出的每一步。

All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.

The advancement of robot technology is to make human life better.

医学的未来不仅仅是治疗疾病，而是在疾病开始之前预防它。