But his mind really wasn't on survival at the moment.

His focus on survival has kept the community alive long after many have died.

"In order to answer that question, it takes several years to follow men out long enough to get results on survival."

I couldn't count on survival until all three of them could stand alone.

For the moment, he must concentrate on survival in the short run.

After all, they seemed to place a rather high premium on survival.

In such an environment they, like he, had to concentrate on personal survival.

Every man must have been concentrating on his own survival.

Until very recently, people haven't been as focused on mere survival.

A positive outlook can have a powerful effect on survival.