What are the words of deep affection for master and apprentice?

It's better to be a teacher than to set up words, to teach by mouth and to teach by mouth. teacher for a day, father for a lifetime. Teachers are easy to meet, but teachers are hard to meet. There is no teacher in the world, and the old road benefits from this. Scholars must seek teachers, and teachers are essential. Learning to get a teacher is expensive, but getting friends is also expensive. Deep love, flesh and blood, Zhang Fan, Uncle Chicken.