"You don't need everybody liking you. Just the ones that matter."
Kate telling Betty that her stopped when she thought Betty was in danger.
"If you can't love her the way she wants, just love her the way you can."
Lorna's speech the morning after Betty gets beaten by the men who attempted to rape Teresa.
Gladys insisting on control over the trust fund which pays her.
Gladys admitting to Marco she's been a "lousy friend" and helping him out of his jam after that.
Betty and Kate's conversation in the series finale.
Clifford's speech to Gladys which wins her over, also in the series finale.
Vera and Quincy's adorable tete-a-tete.
Gladys bringing a tree to the vegetable garden to commemorate James as the planting of said tree is an extremely heartwarming Shout-Out to the flag-raising on Iwo Jima.
In the movie finale:
Marco's father is released from the internment camp, and just when the USA has been announced as allowing Italian-Americans to enlist in the armed forces.
Betty and Kate rekindle their friendship after some adroit go-betweening by Gladys. Later, after Marco splits his betting winnings with Betty, she buys a house and offers Kate a place to stay for as long as she wants.
Last but not least, Bob's continuing slow but certain improvement in his ability to walk unaided by crutches. This also doubles as a moment of awesome.