L. Frank Baum

“ For a time, no sound was heard beyond the low murmur of delight that came from the amazed group, but presently the growl of the big Lavender Bear grew louder, and he said in a tone of triumph,:
"He never makes a mistake!" ”

“ For at that time you were also in the hole, and after we had pulled you out of it, the little Pink Bear said Ozma was not in the hole."
"He never makes a mistake," asserted the Bear King stoutly.
"Empty that pocket, Button-Bright, and let's see what's in it," requested Dorothy.
So Button-Bright laid the contents of his left jacket pocket on the table. These proved to be a peg top, a bunch of string, a small rubber ball and a golden peach pit.
"What's this?" asked the Wizard, picking up the peach pit and examining it closely. ”