He quickly recovered himself and sought to hide his momentary weakness, but the hunter had noticed his stumbling step and gave him a keen, questing glance.

Then he too stopped.
"We've climbed enough," he said.

"Robert, you've come to the end of your rope, for the present.

It's a wonder your strength didn't give out long ago, after all you've been through." "Oh, I can go on! I'm not tired at all!" exclaimed the youth valiantly.
"The Great Bear tells the truth, Dagaeoga," said the Onondaga, looking at him with sympathy, "and you cannot hide it from us.

We will seek a covert here." Robert knew that any further effort to conceal his sudden exhaustion would be in vain.