They were gasping for breath, the path was hazy. 

The body was freezing but had to reach the target.

They had to look both ways before they could start again. 

They had to get there or risk failing. 

The stakes were different but the student with an exam on a foggy day, the mountain climber and the depressed girl found themselves in the same situation.

The joy of being on time, the relief of the sun above the clouds on the mountain top and the touch of a ray of hope, gave them the same satisfaction.