With great power comes great responsibility.

Excelsior!

Nuff said!

There is only one who is all powerful, and his greatest weapon is love.

Your humans slaughter each other because of the color of your skin, or your faith or your plitics -- or for no reason at all -- too many of you hate as easily as you draw breath. - Magneto

Coming from your friendly neighborhood Spider-Man!

Whosoever holds this hammer, if he be worthy, shall possess the power of Thor.

HULK SMASH!

The power of prayer is still the greatest ever known in this endless eternal universe.-The Watcher in The Avengers #14