Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

The wise seek happiness within their own souls, while fools search outside.

Intolerance of others’ views (no matter how ignorant or incoherent they may be) is not simply wrong; in a world where there is no right or wrong, it is worse: it is a sign you are embarrassingly unsophisticated or, possibly, dangerous.

Fear is the biggest disability of all. And will paralyze you more than being in a wheelchair.

出自《抱朴子·酒戒》。鼻子爱闻(酒)的气味，但却不能因此就去酗酒;嘴巴嗜好(酒)的滋味，但却不能因此就去滥饮。

Hold to the now, the here, through which all future plunges to the past.