Philosophy is an ornament in prosperity, a refuge in adversity, and a provision in old age.
The most important thing is to be honest with yourself and with your audience.
一个人愈没有值得自夸之处,就愈容易夸耀自己的国家、宗教、种族或他参与的神圣事业。
Science is not just a collection of facts; it is a way of thinking.