New International Version
"It was because your hearts were hard that Moses wrote you this law," Jesus replied.

American Standard Version
But Jesus said unto them, For your hardness of heart he wrote you this commandment.

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

Douay-Rheims Bible
To whom Jesus answering, said: Because of the hardness of your heart he wrote you that precept.

English Revised Version
But Jesus said unto them, For your hardness of heart he wrote you this commandment.

King James Bible
And Jesus answered and said unto them, For the hardness of your heart he wrote you this precept.

World English Bible
But Jesus said to them, "For your hardness of heart, he wrote you this commandment.

Young's Literal Translation
And Jesus answering said to them, 'For the stiffness of your heart he wrote you this command,

Mark 10:5 Additional Translations ...