Don't be too clever for an audience. Make it obvious. Make the subtleties obvious also.
Billy Wilder

One's too many, and a hundred's not enough.
Billy Wilder

It was hell at the time, but after it was over, it was wonderful.
Billy Wilder

You have to have a dream so you can get up in the morning.
Billy Wilder

If there's anything I hate more than being taken seriously, it's being taken too seriously.
Billy Wilder

Shoot a few scenes out of focus. I want to win the foreign film award.
Billy Wilder

We are on the track of something absolutely mediocre.
Billy Wilder

Now, what is it which makes a scene interesting? If you see a man coming through a doorway, it means nothing. If you see him coming through a window - that is at once interesting.
Billy Wilder