Jamieson, Fausset and Brown on Luke 24:44-49

44-49. These are the words, &c.--that is, "Now you will understand what seemed so dark to you when I told you about the Son of man being put to death and rising again" (Lu 18:31-34).

while ... yet with you--a striking expression, implying that He was now, as the dead and risen Saviour, virtually dissevered from this scene of mortality, and from all ordinary intercourse with His mortal disciples.

law ... prophets ... psalms--the three Jewish divisions of the Old Testament Scriptures.