Who said "In solitude, you will face your end alone."?

This quote is attributed to Dormammu.

In solitude, you will face your end alone. - Dormammu

"In solitude, you will face your end alone."

Dormammu Solitude

"I am eternal. I am infinite. I am Dormammu."

"Your world is but a grain of sand in the vast desert of my domain."

"Time is a construct I have transcended. Your mortality is your weakness."

"Surrender to me, and perhaps I shall make your end swift."

"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."