That which is not yet known comes out of that which is not yet here.
Quotes from Improvisation for the Theater 3rd Edition — Viola Spolin
Attribution
Quotes and notes from Wikiquote: Viola Spolin (page history), available under CC BY-SA 4.0.
Quotes and notes from Wikiquote: Viola Spolin (page history), available under CC BY-SA 4.0.