One: tirelessly teach people [Huérén büjuàn]?

Explanation: teaching: teaching. Teach people to be particularly patient and never get tired.

From: The Analects of Confucius.

Two: do your best [jijìn xìn lì]?

Explanation: Exhausted: Exhausted, exhausted. Try your best.

Said by: reflection of Wei Zhi Jia Kui. Pei Songzhi's introduction to Wei.

Three: lead by example [yán chuan shēn jiao]?

Explanation: oral communication: explanation and teaching in words; Example: Prove by action. Teach by example. Of behavior playing an exemplary role.

Said by: Zhuangzi's Zhuangzi Heaven.

Four: Teaching students in accordance with their aptitude [Y and N Cai sh and Ji Ao]?

Explanation: because: according to; Material: qualification; Give: apply; Teaching: education. Pointers give different education according to learners' interests and abilities.

Said by: The Analects of Confucius Governing Politics.