“... D. The passage is reflected in Gos. Thom. 90, where parallel to "my yoke is kind" is the clause "my rule is gentle." A knowledge of the passage is also reflected in 2 Clem. 6:7. [...] Sir 51:23-27 (cf. too Sir 6:23-31) serves as a particularly promising background for the present passage. Direct dependence, though probable, cannot be proved. [...] Sirach exhorts his readers to "put your neck under the yoke" (51:26) and notes that after laboring "little" one may find "much rest" (51:27). [...] 29 The meaning of the preceding verse is now made more precise. The invitation to come to Jesus is an invitation to discipleship, that is, to follow him and his teaching. "Yoke" [...] is a common metaphor for the law, both in Judaism (m. [...] Abot 3:5; m. Ber. 2:2; cf. 1 QH 6: 19) and in the NT (Acts 15: 10; Gal 5: 1). When Jesus invites people with the words [...] "take my yoke upon you," he invites them to follow his own teaching as the definitive interpretation of the law (see on 5: 17-20.). ...”