Personal faith can be a powerful force for public good.

Inertia is a powerful force in human and political affairs.

I realized that social media can be powerful force for good in the world and that acts of kindness can be scaled globally.

The American taxpayers are a powerful force. They don't want their taxes raised.

The most powerful force in the universe? Love. It's love that holds it all together.

The most powerful force ever known on this planet is human cooperation - a force for construction and destruction.