Who said "That's not what I'm saying. I'm saying it's possible."?

This quote is attributed to Jim Halpert.

That's not what I'm saying. I'm saying it's possible. - Jim Halpert

"That's not what I'm saying. I'm saying it's possible."

Jim Halpert Hope

"I'm not superstitious, but I am a little stitious."

"That's what she said."

"You took me by the hand, made me a man."

"I'm in love. I don't know how it happened, but I'm in love with Pam."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."