3 Therefore, remember what you received and heard,#tn The expression πῶς εἴληφας καὶ ἤκουσας (pw" eilhfa" kai hkousa") probably refers to the initial instruction in the Christian life they had received and been taught; this included doctrine and ethical teaching. and obey it,#tn Grk “keep it,” in the sense of obeying what they had initially been taught. and repent. If you do not wake up, I will come like a thief, and you will never#tn The negation here is with οὐ μή (ou mh, the strongest possible form of negation in Koine Greek). know at what hour I will come against#tn Or “come on.” you.