Who said "You can't move forward if you're still looking back."?

This quote is attributed to Derek Shepherd.

You can't move forward if you're still looking back. - Derek Shepherd

"You can't move forward if you're still looking back."

Derek Shepherd Change

"It's a beautiful day to save lives."

"Pick a big one. Go big or go home."

"The human body is an amazing machine."

"Excellence is not a destination; it is a continuous journey that never ends."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."