Revelation 6:2
And in my vision I saw 'a white horse.' Its rider held a bow, and he was given a crown, and he went out conquering and to conquer.
Revelation 6:8
And in my vision I saw a grey horse. His rider's name was Death, and the Lord of the Place of Death rode behind him; and power was given them over the fourth part of the earth, so that they might 'destroy with sword and famine and death, and by means of the wild beasts of the earth.'
Revelation 19:11
Then I saw that Heaven lay open. There appears a white horse; its rider is called 'Faithful' and 'True'; righteously does he judge and make war.
Revelation 20:11
Then I saw a great white throne, and him who was seated on it. 'The earth and the heavens fled from his presence; no place was left for them.'