All attention has to be given the ground step by step

In climbing where the danger is great, all attention has to be given the ground step by step, leaving nothing for beauty by the way. But this care, so keenly and narrowly concentrated, is not without advantages. One is thoroughly aroused. Compared with the alertness of the senses and corresponding precision and power of the muscles on such occasions, one may be said to sleep all the rest of the year. The mind and body remain awake for some time after the dangerous ground is past, so that arriving on the summit with the grand outlook—all the world spread below—one is able to see it better, and brings to the feast a far keener vision, and reaps richer harvest than would have been possible ere the presence of danger summoned him to life.

~ John Muir