你必须写那本想要被写出来的书。如果这本书对成年人来说太难，那么你就为孩子们写。
永远不要试图阻止思考，因为你一定会成功。
The poor often lack the information needed to make good choices, and when they do have it, they often don’t trust it.
科学是一段旅程，而不是终点。
To make people free is the aim of art.
The body achieves what the mind believes.