[Stark and Yensen are building the suit]
Stark: Easy. Easy. We only get one shot at this.
Yinsen: Don't worry, I have steady hands. Why do you think you're still alive?
Stark: Easy. Easy. We only get one shot at this.
Yinsen: Don't worry, I have steady hands. Why do you think you're still alive?
[Stark and Yensen are building the suit]
Stark : Easy. Easy. We only get one shot at this.
Yinsen : Don't worry, I have steady hands. Why do you think you're still alive?
http://www.moviequotedb.com/movies/iron-man/quote_11533.html