Toni: I want you.
Marshall: C-Come again?
Toni: To work for me.
Toni Cummings: Do you know how much being here cuts into my market share? Can't even get a lipstick in this place.
Nadia: (to Sloane) Every Sunday at the orphanage in Santermo, they made us dress up in our finest clothes. They would have us stand in line four hours waiting to be chosen by families. I wouldn't do it. I'd make myself filthy and always frown. I didn't want to be chosen, because I knew I knew that somewhere my dad was still looking for me, and one day he'd come to take me away from that place. If I had known it was you I was waiting for, I would have cleaned up.
When Vaughn, Katya, and Sydney are driving in Russia, there are palm trees, which do not grow in Russia.
Sloane: When Abraham was asked to take his only child, Isaac, and offer him up to God, he didn't hesitate. And he took in his hand the fire and the knife. And it was only then that the angel came. But Abraham had to be willing to make this unbearable choice.
This story is told in Genesis 22. There also is one discussion of this situation is in Søren Kierkegaard's philosophical work published in 1843, Fear and Trembling.
St. Aidan <-> Nadia Santos
The Passenger was first mentioned by Lazarey who went by the alias of St. Aidan. Nadia's last name is revealed to be 'Santos,' which is Spanish for 'Saints,' and her name spelled backwards is 'Aidan.'