I could feel his strength in his words.

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.

I am very interested in social science.

Kinetic energy is directly related to the speed of an object.

The use of renewable energy helps protect the global environment.

Full speed ahead, we should move towards our goal!

He deeply believes in the principles of socialism.