Young Frankenstein quotes

Young Frankenstein quotes， Young Frankenstein (1974),Director: Mel Brooks,Stars: Gene Wilder, Madeline Kahn, Marty Feldman 

1.
Dr. Frederick Frankenstein: Love is the only thing that can save this poor creature, and I am going to convince him that he is loved even at the cost of my own life. No matter what you hear in there, no matter how cruelly I beg you, no matter how terribly I may scream, do not open this door or you will undo everything I have worked for. Do you understand? Do not open this door.

2.
Roll,roll,roll in the hay

3.
[Froederick and Igor are exhuming a dead criminal]
Dr. Frederick Frankenstein: What a filthy job.
Igor: Could be worse.
Dr. Frederick Frankenstein: How?
Igor: Could be raining.

4.
Igor: Where are you going?
Dr. Frederick Frankenstein: To wash up. I've got to look normal.