Commentaries:
Robertson's Word Pictures (NT)
Through him (di autou). That is Jesus. He is our Priest and Sacrifice, the only efficient and sufficient one.
Let us offer up (anaferwmen). Present active volitive subjunctive of anaferw, "let us keep on offering up." Jesus is living and let us go to him.
A sacrifice of praise (qusian ainesewv). This phrase occurs in Leviticus 7:12; 54:8. The word ainesiv (from ainew, to praise), common in LXX, is only here in N.T.
The fruit of lips (karpon xeilewn). In apposition (tout estin) and explanation of qusian ainesewv. Cf. Hosea 14:3; Isaiah 57:19.
Which made confession to his name (omologountwn tw onomati autou). This use of omologew with the dative in the sense of praise like ecomologew is unique, though the papyri furnish examples in the sense of gratitude (Moulton and Milligan, Vocabulary).
Other Robertson's Word Pictures (NT) entries containing Hebrews 13:15:
1 Peter 2:5
Revelation 14:4
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