Who said "Solitude is where a man meets his true self."?

This quote is attributed to Drogo.

Solitude is where a man meets his true self. - Drogo

"Solitude is where a man meets his true self."

Drogo Solitude

"I am the stallion who mounts the world"

"A Dothraki hears a word and takes it as a command"

"You are of my blood. That is enough"

"I will take what is mine with fire and blood"

"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."