Who said "My speed comes with a price, but it's worth it."?

This quote is attributed to The Flash.

My speed comes with a price, but it's worth it. - The Flash

"My speed comes with a price, but it's worth it."

The Flash Perseverance

"My name is Barry Allen, and I am the fastest man alive."

"You can't save everyone. Sometimes you have to let people go."

"I'm fighting so that no one else has to suffer like I did."

"Life doesn't give you second chances. So I'm making my own."

"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."