Because how ever much the couple may strive to be honest, no one is ever in possession of the facts.

Violet

Violet: I agree. Hope is a tease, designed to prevent us accepting reality.
Isobel: Oh, you only say that to sound cleaver.
Violet: I know. You should try it.

Tom: Well if you love me, you will support me.
Mary: I suppose I have too.

Mary: Obviously, this is very shocking to your generation.
Violet: Don't let us hide behind the changing times my dear, this is shocking to most people in 1924.

Violet:The monarchy has thrived on magic and mystery, strip them away and people may think the royal family is just like us.
Isobel: Would that be so wrong?
Violet: Well, only if they want to stay in Buckingham Palace.

I must be sure I am right to want this man, as my friend, as my lover, as my husband.

Mary

Robert: And tell your friend Bricker to stop flirting with Isis. There is nothing more ill bred than flirting with someone else's dog.
Cora: Okay, I'll tell him to stop flirting.

It a fad, it won't last.

Robert

Every relationship has its ups and downs.

Miss Hughes

Principles are like prayers. Noble, of course, but awkward at a party.

Violet

The older I get the more I feel we do these things very oddly. Even now we must decide whether to share our lives with someone without ever spending some real time with them, let alone, you know.

Violet: You should write a book: Daughter's-in-law and how to survive them.

Downton Abbey Quotes

However you wish to command me I am your servant Mr. Branson, but I was not aware I was under orders as to what I might think.

Barrow

There is nothing simpler than avoiding people you don't like. Avoiding one's friends, that is the real test.

Violet Crawley