Authors:

Once you get yourselves into things that are working on a deeper level, you just have to keep going. When you reach that deeper level, you can't go back.

"Why South Park's Trey Parker and Matt Stone Now Say It's 'Wrong' to Offend" by Stephen Galloway, www.hollywoodreporter.com. March 24, 2011.
Once you get yourselves into things that are working on a deeper level, you just have to keep going. When you reach that deeper level, you can't go back.