你不是管理人;你是管理事物。你领导人们。
我不是为了装饰而画画,我是为了交流而画画。
你必须对自己的能力有信心,然后足够坚强地坚持下去。
Purposive behavior in animals and men.
The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.