Who said "A warrior must know when to fight and when to be still."?

This quote is attributed to Shifu.

A warrior must know when to fight and when to be still. - Shifu

"A warrior must know when to fight and when to be still."

Shifu Patience

"There is no secret ingredient. It's just you."

"When will you realize? The more you take, the less you have."

"Your story may not have such a happy beginning, but that does not make you who you are."

"It is said that the Dragon Warrior will bring peace to the Valley."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."