“Don't simply knock and wait for the door to be opened. Go look for the keys. Some fit the lock better than others.”

“A brick could be used as a key to unlock a door disguised as a brick wall. The security in the lock lies not with a one-of-a-kind key, but with a key that looks like hundreds of other potential keys that make up the door.
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“If getting is the key to your happiness your key will open few doors. If giving is the key to your happiness you will find few doors locked.”

“Never try to lock the virtue’s door with the key of viceIt may lock forever; never to be opened again”

“Ever heard of knocking, asshole?" I spat, not bothering to look at him."Ever heard of locking the door, whore?"Turning, I glared at him and slammed the door in his face, locking it.Smirking, he yanked the door back open. "Oh I guess I forgot to mention that the lock is broken." - Christopher Mason & Mia Ryder”

“My mind is a lock pick always looking for another door to open. I often find those doors by exploring minds of others...”