要理解一个人，你必须首先理解他们的痛苦。
To understand someone, you must first understand their pain.
You have to believe in yourself when no one else does—that's what makes you a winner.
The world is a mirror, and it shows you what you bring to it.
成功的方法是加倍你的失败率。
If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."
——对共产国际派到广州之达林说，1922年4月27日
处于逆境，思想要开拓放达，奋发图强；处于顺境，思想要警觉收敛，约束自身。