Short and to the point. We need more simple demonstrations, like that.
Bonum est, Pater! Joseph
Quicumque vult salvus esse, ante omnia opus est, ut teneat catholicam fidem:Stick diagram here.Haec est fides catholica, quam nisi quisque fideliter firmiterque crediderit, salvus esse non poterit. Amen.There u hav it. The Athanasian Creed for dummies!
The first time I ran across this representation was in St Patrick's Church in Soho Square, London... it was in Latin! Perhaps they were inspired by their namesake to refine the lesson of the shamrock.
The good Patrick's shamrock is somewhat helpful, but it doesn't really get us very far.