五色佈道法(五色福音)

In five colors to preach the gospel. Five colors on behalf of five things. They are God's creation, man's sin, the Lord's precious blood, washed the blood of sin, and heaven.

photo (cross with blood drops) (https://commons.wikimedia.org/wiki/File:Christian_cross_blood_drops.png) by LZ6387 (CC BY-SA 3.0) (https://creativecommons.org/licenses/by-sa/ 3.0 / deed.en)