The essence of mathematics lies in its freedom.

The soul is a fire that darts its rays through all the senses; it is in this fire that existence consists.

愛は、時に痛みを伴うが、それでも愛し続けることが大切だ。

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。