This is the Sith Code:

"Peace is a lie, there is only passion.
Through passion, I gain strength.
Through strength, I gain power.
Through power, I gain victory.
Through victory, my chains are broken.
The Force shall free me."

And this is the Jedi Code:

"There is no emotion; there is peace.
There is no ignorance; there is knowledge.
There is no passion; there is serenity.
There is no death; there is the Force."

And I tell you. Power is only a tool, the use you give to it shapes your life.