Working hard on labor is the mother of all inventions. If you work hard on everything, you can get the truth of things.

——Tao Xingzhi's "Working with Labor and Mind"

Requires students to work with their hands, tongue, and mind, prompting him to thoroughly understand the teaching material and make it become his deep-rooted habits.

——[Germany] Di Stowei's "German Teacher Education Guide"

One of the ways to encourage general intellectual activities is to cultivate a specialized hobby.

——[UK] Whitehead's "The Purpose of Education"

All subjects should essentially begin with mental enlightenment.

——[UK] Whitehead's "The Purpose of Education"

Wisdom is the result of balanced development, and it is this balanced development of personality that education should achieve.

——[UK] Whitehead "Science and the Modern World"