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15 Hate the evil, and love the good, and establish justice in the gate: it may be that Jehovah, the God of hosts, will be gracious unto the remnant of Joseph.
A 'thousand' means much, many, a countless number, a whole era of time, an abundance. When used in reference to the Lord, it actually means a number greater than that: In those cases it means what is infinite, what is truly without end.