Berean Study Bible (BSB) - Mark 10:5 >

But Jesus told them, “Moses wrote this commandment for you because of your hardness of heart.

Textus Receptus (TR) - Mark 10:5 >

Καὶ ἀποκριθεὶς ὁ Ἰησοῦς εἶπεν αὐτοῖς, Πρὸς τὴν σκληροκαρδίαν ὑμῶν ἔγραψεν ὑμῖν τὴν ἐντολὴν ταύτην·