upon the first
For order of events at the resurrection, (See Scofield "") .

Son of man (See Scofield "") , See Scofield "".

And, behold
For order of our Lord's appearances after His resurrection, (See Scofield "")

trusted (See Scofield "")
redeemed (See Scofield "") .

angels (See Scofield "") .

eleven
(See Scofield "") .

psalms
See Summary, (See Scofield "") .

sins
Sin. (See Scofield "") .

upon you
See note, (See Scofield "")

as far as
until they were opposite Bethany.

while he blessed them
The attitude of our Lord here characterizes this age. It is one of grace; an ascended Lord is blessing a believing people with spiritual blessings. The Jewish age was marked by temporal blessings as the reward of an obedient people. Deuteronomy 28:1-15.
In the kingdom-age spiritual and temporal blessings unite.
heaven
The Scriptures distinguish three heavens: first, the lower heavens, or the region of the clouds; secondly, the second or planetary heavens; and, thirdly, the heaven of heavens, the abode of God.