My brother in Arizona has no filter, and it's wonderful to see him finally politically active

[On the Road]

15. 144,000 is in Revelation 7:3

¹After this I saw four angels standing at the four corners of the earth, holding back the four winds of the earth, so that no wind would blow on the earth or on the sea or on any tree. ² And I saw another angel ascending from the rising of the sun, having the seal of the living God; and he cried out with a loud voice to the four angels to whom it was granted to harm the earth and the sea, ³ saying, “Do not harm the earth or the sea or the trees until we have sealed the bond-servants of our God on their foreheads.” ⁴ And I heard the number of those who were sealed, one hundred and forty-four thousand sealed from every tribe of the sons of Israel:

http://en.wikipedia.org/wiki/144000_(number)

It is obviously intended to be symbolic -- 144,000 is 12,000 for each of the 12 tribes of Israel -- but some folks can't seem to take anything metaphorically, even in Revelation.