There is no force so powerful as an idea whose time has come.

America has a critical role to play as the most powerful member of the world community.

Never forget that the most powerful force on earth is love.

An alliance with a powerful person is never safe.

Nobody is as powerful as we make them out to be.

Truth is powerful and it prevails.

But to me nothing - the negative the empty - is exceedingly powerful.

Justice and power must be brought together so that whatever is just may be powerful and whatever is powerful may be just.

If you realized how powerful your thoughts are you would never think a negative thought.

All the forces in the world are not so powerful as an idea whose time has come.