1.   To survive he had to hide his uniform.

2.   In true natural selection, if a body has what it takes to survive, its genes automatically survive because they are inside it.

3.   First, they have a plethora of plants and vegetation that elephants must have in order to survive, as these animals need variety in their diet.

4.   Liberty would be fragile indeed if, to survive, it had to depend strictly on statutes and the whims of officialdom.

5.   To survive we had to build in a lot of unacceptable restrictions and rules and regulations and bureaucratic measures.