1 Samuel 3:19 in the King James Version
And Samuel grew, and the LORD was with him, and did let none of his words fall to the ground.
Context
18 Samuel told him every bit, and hid nothing from him. He said, “It is the LORD. Let him do what seems good to him.”
19 Samuel grew, and the LORD was with him and let none of his words fall to the ground.
20 All Israel from Dan even to Beersheba knew that Samuel was established to be a prophet of the LORD.