Perhaps an off the cuff comment by Anton. "Every time I thought I answered a questi0n, I was either completely wrong or it opened up 10 more new questions."

We have read the histories of famous scientists and had a chance to talk to them. One of the themes that continues to pop up is that scientists must be tenacious. The answers, even the proper questions, do not come easily. Years of work can be lost in a 42 second rocket flight that ends in a fire ball