Jeremiah 46:4

⁴ Harness the horses, and get up, ye horsemen, and stand forth with your helmets; furbish the spears, put on the coats of mail.

Euphrates

In Genesis 2:14 and Psalms 80:9, 10, the Euphrates symbolizes secular knowledge — facts — and the sensory impressions on which facts are based. (Secrets of Heaven 120)