Not life, but a good life, is to be chiefly valued.《克里托篇》

译文：心就是理。天下难道还有心外的事情、心外的道理吗?

It is the duty of a student to get everything out of a teacher， and the duty of a teacher to get everything out of a student.

"I always try to stay positive, even when things are not going my way."

剑鞘保护剑的锋利，自己却满足於它自己的迟钝。