Introduction:
White horses hold significant symbolic meaning in the Bible, often representing purity, victory, and divine intervention. They appear in various contexts throughout the Scriptures, serving as powerful symbols in prophetic visions and narratives.

Symbolism and Meaning:
In biblical literature, the color white is frequently associated with purity, righteousness, and holiness. When combined with the image of a horse, which often symbolizes strength, power, and warfare, the white horse becomes a potent emblem of divine authority and triumph.

Key Biblical References:

1. Revelation 6:2 · The Four Horsemen of the Apocalypse:
The first horseman, riding a white horse, is described as follows: "I looked, and there before me was a white horse. And its rider held a bow, and he was given a crown, and he rode out to overcome and conquer."
This passage is part of the apocalyptic vision given to the Apostle John. The rider on the white horse is often interpreted as a symbol of conquest, though interpretations vary regarding whether this represents Christ, the spread of the Gospel, or a more general force of conquest.

2. Revelation 19:11-14 · The Rider on the White Horse:
In this passage, the white horse is associated with Christ's return: "Then I saw heaven standing open, and there before me was a white horse, and its rider is called Faithful and True. With righteousness He judges and wages war. His eyes are like blazing fire, and on His head are many crowns. He has a name written on Him that only He Himself knows. He is dressed in a robe dipped in blood, and His name is The Word of God. The armies of heaven, dressed in fine linen, white and pure, follow Him on white horses."
Here, the white horse is a symbol of Christ's ultimate victory over evil. The imagery emphasizes His righteous judgment and the purity of His followers, who also ride white horses.

3. Zechariah 1:8 · The Vision of the Horses:
"I looked out in the night and saw a man riding on a red horse, standing among the myrtle trees in the hollow. Behind him were red, sorrel, and white horses."
In this vision, the white horses are part of a group of horses that patrol the earth, symbolizing God's watchful presence and His sovereignty over the nations.

Theological Implications:
White horses in the Bible often signify divine intervention and the triumph of good over evil. They are associated with Christ's return and the establishment of His kingdom. The imagery of white horses underscores the themes of purity, righteousness, and the ultimate victory of God's purposes.

Cultural and Historical Context:
In ancient times, horses were symbols of power and military might. A white horse, in particular, would have been seen as a noble and majestic creature, often reserved for kings and conquerors. This cultural understanding enhances the biblical symbolism, portraying divine figures as victorious and authoritative.

Conclusion:
The imagery of white horses in the Bible serves as a powerful symbol of purity, victory, and divine authority. Through their appearances in prophetic visions and narratives, they convey messages of hope, righteousness, and the ultimate triumph of God's kingdom.