Q source
Second, the Son of man sayings in which Jesus refers to his (often humble and merciful) earthly activity are attested by both Mark (e.g., ) and Q source (=; =). The sayings dealing with the coming or apocalyptic Son of man likewise turn up in Mark (; 13:26; 14:62) and in Q (e.g., =. This double strand of tradition or multiple attestation can encourage one to attribute to Jesus at least class (1) and class (3) of the Son of man sayings.