lacking in props = improper?
The earth . . . is held up by nothing, but remains stationary owing to the fact that it is equally distant from all other things. Its shape is . . . like that of a drum . . . We walk on one of its flat surfaces, while the other is on the opposite side. ~ Anaximander.
A false theory may be as great an achievement as a true one. ~ Popper, World of Parmenides.