## will build him a house ##

To have children and develop a large family is described as building a house. (See: [[rc://en/ta/man/translate/figs-idiom]])

## have found courage ##

AT: "become courageous enough"

## blessed it, and it will be blessed forever ##

Means the same thing, repeated here for emphasis. (See: [[rc://en/ta/man/translate/figs-parallelism]])