“The essential thing is contingency. I mean that one cannot define existence as necessity. To exist is simply to be there; those who exist let themselves be encountered, but you can never deduce anything from them. I believe there are people who have understood this. Only they tried to overcome this contingency by inventing a necessary, causal being. But no necessary being can explain existence: contingency is not a delusion, a probability which can be dissipated; it is the absolute, consequently, the perfect free gift. All is free, this park, this city and myself. When you realize that, it turns your heart upside down and everything begins to float [...].”