Who said "I have only one lever to move the world, and that is myself."?

This quote is attributed to Jack London.

I have only one lever to move the world, and that is myself. - Jack London

"I have only one lever to move the world, and that is myself."

Jack London Power

Novelist American 1876–1916

"The proper function of man is to live, not to exist."

"I would rather be ashes than dust."

"You can't wait for inspiration. You have to go after it with a club."

"The wise man doesn't give the right answers, he possesses the right questions."

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."