1 Thessalonians 3:10

νυκτὸς καὶ ἡμέρας ὑπὲρ ἐκπερισσοῦ δεόμενοι εἰς τὸ ἰδεῖν ὑμῶν τὸ πρόσωπον, καὶ καταρτίσαι τὰ ὑστερήματα τῆς πίστεως ὑμῶν;

nyktos kai ēmeras yper ekperissoy deomenoi eis to idein ymōn to prosōpon, kai katartisai ta ysterēmata tēs pisteōs ymōn;

King James Version (KJV)

Night and day praying exceedingly that we might see your face, and might perfect that which is lacking in your faith?

Modern English

Night and day we pray most earnestly that we may see you again and supply what is lacking in your faith.