What is the most powerful quote ever in the world?

Timeless Wisdom Quotes

"You must be the change you wish to see in the world." -
"Spread love wherever you wander."
"The only thing we truly have to fear is fear itself." -
"Darkness cannot eliminate darkness; only light can achieve that." -
"Do one thing every day that challenges you." -
"Well done is more valuable than well spoken." -