Taking the river as our only guide, we passed into the forest.

The only guide his Security force could find had insisted it be done this way.

My only guides were two, and to see one I had to look back to the tower of the port.

I'm the only guide left in camp right now.

The position of the stars was my only guide.

The only reliable guide to that is the demand at present.

But life is a stern thing and the sense of duty the only safe guide.

The only guide to direction would be a slight slope toward the water.

The way things should be is the only guide to what direction we must go in.

Memory wasn't his only guide; a low moaning kept him on course.