Who said "Perseverance is continuing when all hope is gone."?

This quote is attributed to Drax (Variant).

Perseverance is continuing when all hope is gone. - Drax (Variant)

"Perseverance is continuing when all hope is gone."

Drax (Variant) Perseverance

"I am Groot's friend. This makes me happy."

"Your face is like a smashed potato."

"I will kill anything to protect those I love."

"Emotion is weakness. Strength is all that matters."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."