To celebrate Bloomsday, 2007, here's a brief selection of affirmations from Ulysses by James Joyce, an online concordance that describes itself as "a hypertextual, self-referential edition of Ulysses by James Joyce." There are 360 occurrences of the word "yes" in Ulysses, and here are a few of them, concluding with the most famous. (The numbers in brackets are the line numbers in the Project Gutenberg online edition.)
[Telemachus]  --Yes, my love?
[Telemachus]  --Yes? Buck Mulligan said. What did I say? I forget.
[Telemachus]  --Yes.
[Telemachus]  --Yes. Make room in the bed.
[Nestor]  --Yes, sir. Hockey at ten, sir.
[Proteus]  Yes, evening will find itself in me, without me.
[Calypso]  --Yes. Who's he when he's at home?
[Calypso]  --Yes, she said. There's nothing smutty in it.
[Lotus-Eaters]  --Yes, yes, Mr Bloom said after a dull sigh. Another gone
[Lotus-Eaters]  --O, yes, Mr Bloom said. Tiptop, thanks.
[Lotus-Eaters]  --Yes, Mr Bloom said.
[Sirens]  None nought said nothing. Yes.
[Cyclops]  --Yes, says Bloom. That's well known. Did you not know that?
[Cyclops]  --Who? says Bloom. Ah, yes. That's quite true.
[Cyclops]  --My wife? says Bloom. She's singing, yes.
[Hades]  --Yes, Mr Bloom said. But the funny part is ...
[Hades]  --Yes, by Jove, Mr Dedalus said.
[Aeolus]  --Bushe? the editor said. Well, yes: Bushe, yes.
[Lestrygonians]  Touch. Fingers. Asking. Answer. Yes.
[Scylla and Charybdis]  --O, yes. If he considers it important it will go in.
[Wandering Rocks]  Know the kind that is. Had it? Yes.
[Wandering Rocks]  Yes. This. Here. Try.
[Wandering Rocks]  Yes. Take this. The end.
[Nausicaa]  Wait. Hm. Hm. Yes. That's her perfume.
[Oxen of the Sun]  TIENS, TIENS, but it is well sad, that, my faith, yes.
[Circe]  MRS BREEN: (EAGERLY) Yes, yes, yes, yes, yes, yes, yes.
[Circe]  BLOOM: I have forgotten for the moment. Ah, yes!
[Eumeus]  --Yes, to be sure, Mr Bloom unaffectedly concurred.
[Ithaca]  Yes, entering softly, he helped to close and chain the door and followed
[Penelope]  I asked him with my eyes to ask again yes and then he asked me would I
[Penelope]  yes to say yes my mountain flower and first I put my arms around him yes
[Penelope]  and drew him down to me so he could feel my breasts all perfume yes and
[Penelope]  his heart was going like mad and yes I said yes I will Yes.