If God can do anything he can make a stone so heavy that even he can't lift it. Then there is something God cannot do, he cannot lift the stone. Therefore God does not exist.
Constant dripping hollows out a stone.
The water hollows out the stone, not by force but drop by drop.
Falling drops will at last wear away stone.
Continual dropping wears away a stone.
To ask for power is forcing uphill a stone which after all rolls back again from the summit and seeks in headlong haste the levels of the plain.
A falling drop at last will carve a stone.