It won't do for me to wink both eyes at the same time." This was a wise resolution, and the youth took every precaution against committing what was likely to be a fatal mistake.

Although his sleep was broken, and he could have consumed several hours additional with enjoyment, he was never more wide-awake.

The temptation was strong to sit down on the ground with his back against a tree, but he foresaw the consequences.

The man who yields only for a few minutes to the creeping drowsiness is gone.
Fred was more circumspect, even, than his chum.

Instead of taking his position beside the trunk of one of the trees, he walked silently around in a circle, keeping the camp-fire as a centre.