Who said "To teach is to learn twice. Each student is also a master."?

This quote is attributed to Shifu.

To teach is to learn twice. Each student is also a master. - Shifu

"To teach is to learn twice. Each student is also a master."

Shifu Leadership

"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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"