修炼内丹的三个阶段:将精转化为气,将气转化为神,最终将神归于虚无。
心理学家必须是一个严格的实证主义者。
The only real freedom is the freedom to say no.
The most important step in emancipating oneself from social controls is the ability to find rewards in the events of each moment.
Geometry is knowledge of the eternally existent.