Who said "The strongest people are those who keep going."?

This quote is attributed to Captain Marvel.

The strongest people are those who keep going. - Captain Marvel

"The strongest people are those who keep going."

Captain Marvel Perseverance

"I have nothing to prove to you."

"I'm going to finish this."

"You keep what you kill."

"Higher, further, faster, baby."

"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."