It is Comenius.

Comenius was a Czech educator in the17th century.

He advocated that everyone in the world should receive education, and divided people's education into four stages: that is, before the age of 6, it belongs to the early childhood education stage, which is taught by the mother at home, but "all the seeds of knowledge that a person should have in his life journey should be planted on them." 6- 12 years old is a primary school education stage. When you enter a Chinese school, "you should teach young people something useful to life." 12- 18 years old should enter Latin schools. Students should learn four languages and gain extensive artistic knowledge. /kloc-Adults after 0/8 years old should receive university education, and their courses "should be truly universal, and every department should be prepared to learn human knowledge".