"Many years ago, I really didn't know where the next work was coming from"

In this quote, Daniel Day-Lewis is explaining a period in his life where he experienced uncertainty concerning his future job opportunity. He likely did not have a steady job or income at the time and also was uncertain where he would certainly be able to discover job next. This duration of unpredictability likely caused him some anxiety and stress, yet he persevered as well as eventually became a successful actor. This quote is a pointer that success commonly needs encountering adversity and unpredictability, and that perseverance and effort can cause terrific things in life.