Glenda the Good Witch of the North to Dorothy:
"You don't need to be helped. You've always had the power to go back to Kansas."
Q to us:
>You, the PEOPLE, have ALL the POWER.
>You simply forgot how to PLAY.
>TOGETHER you are INVINCIBLE.
Q has said 13 times "Follow the money."
"Follow the Yellow Brick Road" in the book/movie means to follow the trail of gold taken from America (literally and symbolically as brain, heart, courage) to find who/what is responsible.