What scripture passage does tom quote in chapter twenty eight in The Grapes of Wrath by John Steinbeck?

In Chapter 28 of "The Grapes of Wrath," Tom Joad quotes a scripture passage from the Book of Revelation, specifically Revelation 5:5, where the Lion of the tribe of Judah prevails to open the book and break its seven seals. Tom uses this passage to emphasize the resilience and strength of the oppressed people.