Who said "I have found that solitude is often the best teacher."?

This quote is attributed to Daenerys Targaryen.

I have found that solitude is often the best teacher. - Daenerys Targaryen

"I have found that solitude is often the best teacher."

Daenerys Targaryen Solitude

"I am the blood of Old Valyria. I am the dragon."

"A dragon is not a slave."

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

"The night is dark and full of terrors, but so is the day."

"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."