The man who has begun to live more seriously within begins to live more simply without.

A man is a dangerous thing, a man who has nothing to lose is even more dangerous.

教师的任务不是灌输事实，而是将学习的主题放在学习者面前，并通过同情、情感、想象和耐心，唤醒学习者对答案和洞察力的不懈追求，这些答案和洞察力能够扩大个人生活。