By the time Jesus began his public ministry, he had not only received the thorough religious training typical of the average Jew of his day, he had probably spent years studying with an outstanding sage (or sages) in the Galilee. Jesus thus appeared on the scene as a respected sage himself. He was recognized as such by his contemporaries, as passages in the New Testament illustrate.
The “How Much More” Rabbinic Principle of Interpretation in the Teaching of Jesus

The use of simple-to-complex reasoning (kal vahomer in Hebrew) is as frequent in the teaching of Jesus as in the teaching of the sages.
Hebrew Nuggets, Lesson 9: Hallelujah (Part 1)

The Hebrew word ha·le·lu·YAH is used as the next object The Hebrew word ha·le·lu·YAH is used as the next object lesson in Hebrew Nuggets
Salted with Fire

Among the difficult sayings of Jesus, Mark 9:49 is one of the most enigmatic. Almost all previous explanations of this verse have dealt with the Greek text, but like many of the difficult sayings of Jesus, this one simply cannot be explained from the Greek alone.