Although the religious leaders of Judaism evidently were not sincere in addressing him as “Teacher [Gr., Di·daʹska·los],” Jesus Christ was recognized as such by both believers and unbelievers. (Mt 8:19; 9:11; 12:38; 19:16; 22:16, 24, 36; Joh 3:2)
... When asked which commandment was the greatest in the Law, without hesitation he summed up the entire Law in two commandments, quoting from Deuteronomy (6:5) and Leviticus (19:18). (Mt 22:36-40)