Ok, thank you all for input.
Some of you decided not to disclose why: Dhalgren? The City and the Stars? Ringworld? -just books that ring a bell by me, but not any profound experience? Would be nice to know more.
I'm not very much into politics or economics so I'll let it lay. I'm interested in religion and such - but I won't agree with you...

and been afraid of... (see above

).
I Ching: there was a period of my life when I consulted I Ching, before making decisions. One answer I got was something like: "the small bird should fly low for his song to be heard". Well, I remember it still, after all those years... Not sure it was a good advice... but very wise

.
My wife has a very simple method to chose books to read: Nobel prize winners (Singer etc). It is very effective. I've read some of Pamuk because of it and I don't regret it. But usually I'm not up to her sophistication level.
At the moment, after this, on my to be read list: Tom Robbins, Michel Foucault(?).
EDIT: on
this forum I'd have expected more input