You'll need to know the difference between power and energy.

He wanted to help students understand the relationship between institutions and power.

Most writers do not understand the difference between energy and power.

The difference between magic and power can be very small.

I've always been fascinated by the relationship between money and power.

The relationship between rights and power is worthy of note.

We first need to recognize that probably our most basic choice in life is between power and love.

The court will hear a number of cases concerning the appropriate line between federal power and states' rights.

This final act starts a war between the two powers.

But it doesn't think this is a war between independent powers.