Genesis 37:18-21

Now when they saw him afar off, even before he came near them, they conspired against him to kill him. Then they said to one another, “Look, this dreamer is coming! Come therefore, let us now kill him and cast him into some pit; and we shall say, ‘Some wild beast has devoured him.’ We shall see what will become of his dreams!” But Reuben heard it, and he delivered him out of their hands, and said, “Let us not kill him.”