"out of weakness" were made strong

1. Heb. 11: 34
   34 Quenched the violence of fire, escaped the edge of the sword, out of weakness were made strong, waxed valiant in fight, turned to flight the armies of the aliens.
2. 2 Ne. 3: 13
   13 And out of weakness he shall be made strong, in that day when my work shall commence among all my people, unto the restoring thee, O house of Israel, saith the Lord.