The date on Mr. Busoni's x-ray was "16 Nov 2005" - 16 being one of the numbers.

Locke admits he knows Sawyer's real name, and has since the census from season one.

Mr. Friendly called for Alex - Danielle Rousseau's daughter is named Alex.

Mr. Friendly was wielding an old WW2 Luger pistol.

(Kate tosses a banana at Sawyer)
Sawyer: Just throw a banana at me?
Kate: Couldn't find any rocks.
Sawyer: There are nicer ways to wake a man up, Freckles.

Jack: Hey, what are you doing?
Sawyer: What's it look like? I'm comin' with ya.
Jack: You're still on antibiotics.
Sawyer: It's a good thing I'm travelling with my doctor, then.

Locke: Any of this look familiar from when you were coming back?
Sawyer: Oh yeah, there's my favourite leaf! Never forget this place.

Locke: Who are we to tell anyone what they can or can't do?

Sawyer: (following Locke up a cliff) You sure Mike went this way?
Locke: Why do you ask?
Sawyer: Oh, I don't know, Mr. Clean. I probably would've gone around Mount Vesuvius!

Dr. Christian Shephard: Careful. There's a line, son. You know it's there. You pretending it's not... that would be a mistake.

Hurley: (on Libby) She's kinda cute, right? You know in a "I've been terrorized by the Others for 40 days" kinda way.

Mr. Friendly: Right here, there's a line. You cross that line, we go from misunderstanding to... something else.

Jack: How long do you think it would take to train an army?

Sawyer refers to Locke as Mr. Clean and that all he needs is an earring and a mop.

Mr. Clean is a brand of cleaning products whose mascot is a middle-aged bald man with an earring.

Sawyer: Oh, I don't know, Mr. Clean. I probably would've gone around Mount Vesuvius!

Sawyer references the famous volcano Mt. Vesuvius, located near present-day Naples, Italy. It is considered to be one of the most dangerous volcanoes on the European conitinent, and became famous in 79 CE (common era) for destroying the cities of Pompeii and Herculeanium.