Who said "It's okay to make mistakes; that's how we learn"?

This quote is attributed to Barney.

It's okay to make mistakes; that's how we learn - Barney

"It's okay to make mistakes; that's how we learn"

Barney Perseverance

"I love you, you love me, we're a happy family"

"With a great big hug and a kiss from me to you, won't you say you love me too?"

"Friends forever, that's what we'll be"

"Everyone is special, everyone is unique"

"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."