"The master leads the door, and the practice is personal" comes from May 2nd in Eight Righteousnesses of Heroes.
Source:
"Eight Righteousness of Heroes" dates back to May 2nd: "As the saying goes,' the master leads the door, and practice is in the individual. "See if I can use kung fu. This time, it is a good opportunity for me to learn. "
Explanation:
Master: One who preaches and teaches.
Practice: progress and progress in learning and skills.
Refers to the teacher only plays a guiding role, and the study and improvement of studies or skills depends on the students' own efforts.