A.T. Robertson Commentary Romans 10:15

"and how shall they preach, except they be sent? even as it is written, How beautiful are the feet of them that bring glad tidings of good things!" — Romans 10:15 (ASV)

How beautiful (Hως ωραιο). A quotation from Isa 52:7 more like the Hebrew than the LXX, picturing the messengers of the restoration from the Jewish captivity. Paul assumes that the missionaries (αποστολο) have been sent as implied in verse 14.