Yes, to a certain extent, how much power we can generate is considered strength, but strength that doesn't last doesn't really count. Or at least, it doesn't count in my opinion.
As we live, we strive to create things that are meaningful, and things that lasts. Best if they both meaningful and lasting.
Today, if you're feeling overwhelmed, tired, fed up, anxious, worried, fearful, had enough of it all, envision a stream of moving water.
Hear the sound of moving water, see how the water bends around corners, and see how smooth pebbles and stones are there in the water. A river cuts through a rock not because of its power but simply because of its persistence. If you're doing something that's meaningful right now, but things are a tad tough, press in, push in, don't give up.
You're going to get there.