"It's all about perfection, isn't it?"

In this quote, Keira Knightley is highlighting the social pressure and obsession with perfection. She is questioning the idea that whatever in life need to be best, implying that it is an impractical and unattainable standard. Knightley's tone suggests a tip of sarcasm, as if she is satirizing the concept of perfection. She might also be expressing frustration with the constant pursuit of excellence, which can be exhausting and unfulfilling. In general, this quote works as a commentary on the impractical expectations put on individuals to be perfect in all aspects of their lives.