Deuteronomy 33:7 (KJV)

And he was king in Jeshurun, when the heads of the people and the tribes of Israel were gathered together.

Let Reuben live, and not die; and let not his men be few.

And this is the blessing of Judah: and he said, Hear, Lord, the voice of Judah, and bring him unto his people: let his hands be sufficient for him; and be thou an help to him from his enemies.

And of Levi he said, Let thy Thummim and thy Urim be with thy holy one, whom thou didst prove at Massah, and with whom thou didst strive at the waters of Meribah;

Who said unto his father and to his mother, I have not seen him; neither did he acknowledge his brethren, nor knew his own children: for they have observed thy word, and kept thy covenant.