This time has been called the "greatest explosion of human energy ever seen in Burma".

"I think buildings are a materialized form of human energy."

The music got under way on Friday night in a sharp combustion of human energy.

The lack of financial resources and human energy made the organization of the Games challenging.

This is true particularly when inputs of human energy cannot be related directly to output.

Throughout history there has never been a base measurement for human renewable energy (thought and physical effort).

It is an endless source of renewable human energy and creativity.

He no longer fed on blood but on human energy.

With this book came an understanding of human energy and a glance at the possibilities that he had within himself.

"During hot days, the entire south wall is protected without any expenditure of human energy."