As it has been said: “Today, if you hear His voice, do not harden your hearts, as you did in the rebellion.”
Textus Receptus (TR) - Hebrews 3:15 >ἐν τῷ λέγεσθαι, Σήμερον ἐὰν τῆς φωνῆς αὐτοῦ ἀκούσητε, μὴ σκληρύνητε τὰς καρδίας ὑμῶν, ὡς ἐν τῷ παραπικρασμῷ.