Who said "Ambition isn't a character flaw; it's a virtue."?

This quote is attributed to Cristina Yang.

Ambition isn't a character flaw; it's a virtue. - Cristina Yang

"Ambition isn't a character flaw; it's a virtue."

Cristina Yang Motivation

"I'm not just a female surgeon. I'm a surgeon."

"You don't have to see the whole staircase, just take the first step."

"I want to be extraordinary."

"Medicine is a science, not an art. There are rules."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."