I don't have the strength to keep trying. ✬

The economic strength of a country lies not alone in its ability to produce, but also in its capacity to consume. ✬

We took pride in our strength. ✬

You must eat properly to keep up your strength. ✬

Try to build up your strength. ✬

Save your strength. ✬

My strength is all gone. ✬

Tom is an athlete with extraordinary strength. ✬

This gives me the strength to go on. ✬

He doesn't have any strength left. ✬