The only limits you have are the ones you set for yourself.

There is nothing in the world so irresistibly contagious as laughter and good humor.

君子给人的印象有三种变化：远看庄重威严，接触则温和可亲，听讲话则严肃不苟。

The first duty of a man is to think for himself.

每个行为都有它的乐趣和它的代价。