When you think of the word “strong,” who do you think of? A muscular man, lifting weights … fixing a road with heavy machinery … carrying bricks to build a big wall? That’s physical strength, yes. But so often, strength looks like this: It’s Mina Bibi, cleaning a clinic in Pakistan for $10 a month to support her four daughters after losing her husband. And then an earthquake destroys her house, and she has to pick up the pieces for them, all alone. That’s strength. Strength is Naza, surviving World War II and the war in Bosnia, losing her husband, seeing her village burned down, then starting over in a…