Who said "I am I, and you are you, and there is the universe between us."?

This quote is attributed to Jack London.

I am I, and you are you, and there is the universe between u... - Jack London

"I am I, and you are you, and there is the universe between us."

Jack London Solitude

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."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."