Who said "I think when you arrive at old age, you arrive there alone."?

This quote is attributed to Harper Lee.

I think when you arrive at old age, you arrive there alone. - Harper Lee

"I think when you arrive at old age, you arrive there alone."

Harper Lee Solitude

Novelist American 1926–2016

"Courage is not the absence of fear, but rather an assessment that something else is more important than fear."

"You never really understand a person until you consider things from his point of view."

"The one thing that doesn't abide by majority rule is a person's conscience."

"Simply because we were licked a hundred years before we started is no reason for us not to try to win."

"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."