1 Thessalonians 2:1

BIB(i) 1 Αὐτοὶ (You yourselves) γὰρ (for) οἴδατε (know), ἀδελφοί (brothers), τὴν (the) εἴσοδον (coming) ἡμῶν (of us) τὴν (-) πρὸς (to) ὑμᾶς (you) ὅτι (that) οὐ (not) κενὴ (in vain) γέγονεν (has been);