human
Chanced to see an apple fall to the ground, and this set him to thinking, and he discovered the laws of gravitation. New, ever since the first apple fell from the first tree in Eden, men have been watching that very commonplace occurrence. We might extend the field so as to embrace oranges, coconuts and all the fruits and nuts which, in every land and through all the long centuries of man's existence, have been falling to the ground--not by chance, however, yet they set no men to thinking, simply because not one of the millions of men who
gpt
to see the incident,