2 Pet 1:15

σπουδάσω δὲ καὶ ἑκάστοτε ἔχειν ὑμᾶς μετὰ τὴν ἐμὴν ἔξοδον τὴν τούτων μνήμην ποιεῖσθαι.

And I will make every effort to ensure that after my departure, you will be able to recall these things at all times.