What is Arsenal's famous quote?

I'm curious, what is Arsenal's famous quote that has captured the hearts and minds of its loyal fans? I've heard whispers of a phrase that encapsulates the club's spirit and determination, but I'm eager to hear it in its entirety. Does it evoke a sense of unity, perseverance, or perhaps a call to arms for the Arsenal faithful? I'm intrigued to learn more about this iconic saying and how it's become synonymous with the club's identity.