Law is not a system of rules, but a system of rules and principles.

安全不仅仅是一项政策，它是一种生活方式。

心理学的价值在于其解释生活的力量。

——〈在广州农民运动讲习所第一届毕业礼演说〉，对讲习所学员发出警告，无法在中国发动阶级斗争，反之应该要用平和方法，以合作为诉求，1924年8月21日

图片Fear is whispered in our ears and shouted in our faces. Faith must be fostered by the man or woman you see every day in the mirror. The former forever snaps at our heels and delays our course. The latter can spur our boot heels to be wandering, stimulate our creativity and drive us forward.