He is working all day long.

I could feel his strength in his words.

He believes in his own power.

He believes in his knowledge power.

He has an astonishing amount of physical strength.

He believes in his own strength.

You always become my strength, thank you very much.

In Marxism, surplus value refers to the part of the value produced by workers, excluding the part necessary to maintain their own livelihood.

The utility value of this app is very high.

We should cherish friends who share our values.