Rashi on Genesis 48:2/רש"י על בראשית מ״ח:ב׳

1ויגד literally, AND HE TOLD — “he” means the messenger whoever it was — TO JACOB. It does not state plainly who told it; there are many such elliptical verses

2ויתחזק ישראל AND ISRAEL STRENGTHENED HIMSELF — he said, “Although he is my son, he is a king, and I will do honour to him” (Midrash Tanchuma, Bo 6). From this we may infer that we must show honour to a person of royal rank (Cf. Menachot 98a). Similarly, Moses showed honour to the king when he said, (Exodus 11:8) “And all these, thy servants, shall come down to me” (which was only a polite way of saying. “Thou, thyself, wilt be forced to come down to me”); so, too, did Elijah: (1 Kings 18:46) “and he girded up his loins [and ran before Ahab] etc.” (Midrash Tanchuma, Bo 7)