Revelation 2:23

all the churches shall know cf. All flesh shall know, Isaiah 45:2-6; All flesh shall see, Isaiah 40:5; Ezekiel 20:48. -All the Churches" though less extensive than -all flesh" (cf. John 17:2; John 14:22) must still be taken as widely as possible, it means not merely all the seven Churches of Asia but -all the churches in the world," hardly as Alford adds -to the end of time." We know nothing (and have no reason to think St Irenæus knew more) of either the repentance or the punishment of the children of Jezebel.

that I am he which searcheth, &c. Compare Psalms 7:9, [10], Psalms 26:2; Jeremiah 11:20; Jeremiah 17:10; Jeremiah 20:12; also 1 Chronicles 28:9; 1 Chronicles 29:17. But the closest parallel to this phrase is Romans 8:27, which suggests that this epithet was almost proverbial in the Apostolic age, whether applied to the Father as there or to the Son as here. It is hardly doubtful that the phrase is derived from David and Jeremiah ll. cc., but the verb used both here and in Rom. is different from any used by the LXX.