1 Timothy 4:16

16Give heedἔπεχεto yourselfσεαυτῷandκαὶto theτῇteachingδιδασκαλίᾳ·Continueἐπίμενεin themαὐτοῖς·thisτοῦτοforγὰρdoingποιῶνbothκαὶyourselfσεαυτὸνyou will saveσώσειςandκαὶthoseτοὺςhearingἀκούοντάςyouσου.

Give heed to yourself and to the teaching. Continue in them; for doing this, you will save both yourself and those hearing you.