Who said "Believe you can and you're halfway there."?

This quote is attributed to Erica.

Believe you can and you're halfway there. - Erica

"Believe you can and you're halfway there."

Erica

"I'm not a regular mom, I'm a cool mom."

"That's what I love about these high school girls, man. I get older, they stay the same age."

"Alright, alright, alright."

"Life moves pretty fast. If you don't stop and look around once in a while, you could miss it."