'Pure' in the Bible

She has been given the privilege of wearing fine linen, dazzling and pure." (The fine linen represents the righteous deeds of the saints.)

The armies of heaven, wearing fine linen, white and pure, follow him on white horses.

Its wall was made of jasper. The city was made of pure gold, as clear as glass.

The twelve gates were twelve pearls, and each gate was made of a single pearl. The street of the city was made of pure gold, as clear as glass.