1 Thessalonians 3:10

“Night and day praying exceedingly, etc.] This good news, not only comforted their hearts, and revived their spirits, and filled them with joy and thankfulness, but also sent them to the throne of grace to pray without ceasing, continually, night and day, and as often as they went thither, and that with great fervency and earnestness, in a multitude of petitions; or, as the Arabic version renders it, “with prayers exceeding a multitude”; with innumerable requests: that we might see your face: once more, and converse face to face: and might perfect that which is lacking in your faith? in the grace of faith; for though they remembered their work of faith with pleasure, and had had good tidings…”

“Night and day--(See on Th1 2:9). Night is the season for the saint's holiest meditations and prayers (Ti2 1:3). praying--connected with, "we joy"; we joy while we pray; or else as ALFORD, What thanks can we render to God while we pray? The Greek implies a beseeching request. exceedingly--literally, "more than exceeding abundantly" (compare Eph 3:20). that which is lacking--Even the Thessalonians had points in which they needed improvement [BENGEL], (Luk 17:5). Their doctrinal views as to the nearness of Christ's coming, and as to the state of those who had fallen asleep, and their practice in some points, needed correction (Th1 4:1-9). Paul's method was to begin by commending what was…”

“Night and day - Constantly. Praying exceedingly - Greek, abundantly; that is, there was much more than ordinary prayer. He made this a special subject of prayer; he urged it with earnestness, and without intermission; compare 1 Thessalonians 2:17. And might perfect that which is lacking in your faith - Might render it complete, or fill up anything which is missing. The word used here (καταρτίσαι katartisai), means, properly, to make fully ready, to put full in order, to make complete; see the Romans 9:22 note; 2 Corinthians 13:9 note; Galatians 6:1 note. It is rendered mending, Matthew 4:21; Mark 1:19; perfect and perfected, Matthew 21:19; Luk 6:40; 2 Corinthians 13:11; 1 Thessalonians…”

“And perfect that which is wanting in your faith - So St. Paul did not know that "they who are once upon the rock no longer need to be taught by man." 1 Thessalonians 3:11”

“Night: Luk 2:37; Act 26:7; Ti2 1:3; Rev 4:8, Rev 7:15 praying: Th1 3:11, Th1 2:17, Th1 2:18; Rom 1:10, Rom 15:30-32; Plm 1:22 might perfect: Rom 1:11, Rom 1:12; Co2 1:15, Co2 1:24, Co2 13:9, Co2 13:11; Phi 1:25; Col 1:28, Col 4:12; Th2 1:11 1 Thessalonians 3:11”