If one goes missing, the rest are never sure whether he's proven their beliefs by falling off the edge...
I wonder how they disprove the curvature of the earth you can see when looking at a clear horizon or from altitude? Must be the flat earth flexing from the weight...
or a natural bending of the light through the atmosphere, combined with the obvious curvature of the human eye lens, creating an optical illusion
no just too much sugar yesterday. besides, do we not sail through the infinite serenity of space whilst perched on the back of four elephants, themselves standing atop the crater marked shell of the great Star Turtle?