Who said "To know yourself is to have all the knowledge you need."?

This quote is attributed to Drogo.

To know yourself is to have all the knowledge you need. - Drogo

"To know yourself is to have all the knowledge you need."

Drogo Knowledge

"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"

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."