44 
REACTIVE LOCOMOTION. 
ground can do mifchief enough, and are hard enough to 
be trampled out, but in the air, one fhudders to think of 
it! Still, God rules, and the air can’t be navigated until 
He permits it; and whenever this time fhall come we 
may be certain that all the contingencies attending it will 
be provided for by His wifdom and goodnefs. 
The fudion-pipe that pulled the workman’s hat off 
his head, led ftraight to the vortex or vacuum centre of 
the fan-blower. But the bee and the fly by the recipro¬ 
cating adion of their wings do better work in the open 
air. To ufe up in their operations as much power pro¬ 
portionately as man’s fan-blower contrivance, would be a 
greater drain upon Nature’s forces than fhe ever permits. 
The moving creatures of the deep, and the moving 
creatures of the air, have power given to them in pro¬ 
portion to their needs, and each one an apparatus fo 
perfectly adapted to its power, that while nothing is 
wanting there is nothing to be thrown away. Wafte 
marks the impeded works of man: Economy the perfed 
work of God ! 
