New Revised Standard Version
But when Reuben heard it, he delivered him out of their hands, saying, “Let us not take his life.”

Contemporary English Version
Reuben heard this and tried to protect Joseph from them. "Let's not kill him," he said.

New American Bible
But when Reuben heard this, he tried to save him from their hands, saying: “We must not take his life.”

Douay-Rheims Bible
And Ruben hearing this, endeavoured to deliver him out of their hands, and said:

And Ruben hearing this, endeavoured to deliver him out of their hands, and said:

Reuben heard.

Genesis 35:22 And when he dwelt in that country, Ruben went, and slept with Bala the concubine of his father: which he was not ignorant of. Now the sons of Jacob were twelve.

Genesis 42:22 And Ruben, one of them, said: Did not I say to you: Do not sin against the boy; and you would not hear me? Behold his blood is required.

not kill him.

Joshua 10:28 The same day Joshua took Maceda, and destroyed it with the edge of the sword, and killed the king and all the inhabitants thereof: he left not in it the least remains. And he did to the king of Maceda, as he had done to the king of Jericho.

Genesis 9:5 For I will require the blood of your lives at the hand of every beast, and at the hand of man, at the hand of every man, and of his brother, will I require the life of man.

Matthew 10:28 And fear ye not them that kill the body, and are not able to kill the soul: but rather fear him that can destroy both soul and body in hell.