How do you explain the gospel to a friend who's never set foot in a church? The Four makes it simple — four symbols, four truths, one conversation that could change everything. Developed by Campus für Christus (Cru Switzerland) in 2015, The Four is a modern reimagining of Bill Bright's classic Four Spiritual Laws, designed to help a new generation share the gospel clearly and confidently.^1
The four symbols — a heart (God loves me), a division sign (I live apart from God), a cross (Jesus gave everything for me), and a question mark (Will I choose to follow Jesus?) — are printed on wristbands, NFC cards, and booklets, and presented through short video presentations on the web. Each symbol opens a door into the gospel story, making it easy to remember, easy to explain, and easy to start a conversation. The tool is now available in dozens of languages and used across more than fifteen countries spanning Europe, Asia Pacific, Africa, and the Americas.^2
In Australia, Power to Change built a dedicated version at thefour.au, featuring three video presenters — a uni student, a Twitch streamer, and a youth worker — each walking through the same four points in their own voice, including an honor/shame framework for cross-cultural conversations.^3 Youth camps across Australia, including Christian Youth Camp (CYC), have adopted The Four as a key equipping tool. One camp leader described its impact: "We had a camper who had been coming to CYC for years but was always skeptical about faith. His leader used The Four during a small group discussion, and it was like a light bulb went off. He realised the Gospel wasn't just a distant, abstract concept — it was for him, right where he was."^4
The Four has also been embraced well beyond Protestant circles. At World Youth Day 2016 in Krakow, Catholic groups used the wristbands for street evangelism, and YDisciple later adapted the training manual for a Catholic context with permission from the creators — adding quotes from saints and popes alongside the same four gospel truths.^5 ICF Munich, one of Europe's largest non-denominational churches, also features the four symbols on its website as part of its gospel outreach.^6 In the US, Cru's high school ministry recommends The Four wristbands alongside the GodTools app and Soularium cards as go-to evangelism tools for campus ministry.^7
Raphael Marti, who developed the symbols, explained the tool's secondary purpose: to help combat "moralistic therapeutic deism" — a distorted view of Christianity that has left many young believers unable to articulate the basic truths of their own faith.^5 The team's vision is bold: "All people hear the Gospel and all believers share the best news."^2
Notable- Creator: Campus für Christus (Cru Switzerland), part of the global Cru/Campus Crusade for Christ network — one of the most established Christian organizations worldwide^2
- Symbols designed by: Raphael Marti, staff with Agape/Cru Switzerland^5
- Global expansion: Country-specific sites for Australia, Singapore, South Korea, Japan, Taiwan, Thailand, Vietnam, Myanmar, Sri Lanka, Papua New Guinea, Turkey, Armenia, and more^2
- Adopted by: FCA (Fellowship of Christian Athletes), Power to Change Australia, CRC Churches International, YDisciple (Catholic), ICF Munich, Cru US High School Ministry^7
- Physical products: Wristbands, NFC cards, and booklets available through crustore.org and shop.thefour.com^2
- Team: Manuel Leiser (Leader Switzerland), Nils Stouthandel (International Director), Simon Frey (Leader Africa)^2
Platforms: Web Pricing: Free
