Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.

The strongest is never strong enough to be always the master unless he transforms strength into right and obedience into duty.

The only real happiness comes from squandering ourselves for a purpose.

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。

Fear is just excitement in need of an attitude adjustment.