Who said it? And from what?

1.A lie's a lie. Dressin' it in white don't help it. And just why was I lying this time?
Meet me In St. Louis.Alexandra.

2.Character 1:Are you sure it's all right? Being seen with me?
Character 2:You mean lofty star with humble player?
Singing in the Rain.Alexandra.

3.Character 1:He might. Well as a matter of fact, I happen to know it will happen.
Character 2:What do you mean you know it will happen?
In the Good Old Summertime.

4. Don't tell me you've never longed for a prince instead of a pumpkin.
The Pirate. Alexandra.

5.A man can't turn tail and run just because a little personal risk is involved. What did Shakespeare say? "Cowards die a thousand deaths, the brave man... only 500"?
The Music Man

6. ---------- is a horrible monster! Men like him should be shot down like dogs! Shot down like dogs! Shot down like dogs!
Carefree.

7.Character 1: Now which way do we go?
Character 2: Pardon me, this way is a very nice way.
The Wizard of Oz.Susannah.

8.Character 1: I was a failure yesterday, now look at me today!
Character 2: You mean you even looked worse yesterday?
Babes on Broadway.

9.I'm the 'I-don't-mind-pushing-my-best-friend-into-but-am-scared-stiff-if-I-get-anywhere-near-it' kind.
White Christmas.Susannah.

10.What do you mean you can't tell me? Why, I'm almost your husband! At least, I thought I was.By the Light of the Silvery Moon.Alexandra.