For each of us who appear to have had a successful experiment there are many to whom their own experiments seem barren and negative.
I used to hang out with Salvador Dali a lot. He was such a nice man. I really liked his wife Gala, too. People say that she was tricky, but she was never difficult with me.
Common sense is the measure of the possible; it is composed of experience and prevision; it is calculation applied to life.

