I trust Debian to supply and maintain the software on my machine. But, at any moment, I can choose to add other trusted parties, or remove the Debian repositori

I trust Debian to supply and maintain the software on my machine. But, at any moment, I can choose to add other trusted parties, or remove the Debian repositories, or add my own patched version of some app. I usually choose to trust them, because it's convenient and because they probably know better than I do. But my trust in Debian is completely voluntary, non-exclusive and revocable.