Parallel
Revelation 3:11
Patriarchal Greek New Testament (1904) · Berean Standard Bible
ἔρχομαι ταχύ· κράτει ὃ ἔχεις, ἵνα μηδεὶς λάβῃ τὸν στέφανόν σου.
I am coming soon (note: Or suddenly or quickly). Hold fast to what you have, so that no one will take your crown.