Well, I thought about it, but you could never have granted my true wish.
5 seconds sound clip from the The Last Unicorn movie soundboard.
You can hear this line at 00:31:15.784 in the Blu-ray version of the movie.
Quote context
[...]
- No, I've never seen anyone like you. Not while I was awake, anyway.
- So I'm going where they are, to learn whatever they know.
- Take me with you, for luck, for laughs, for the unknown.
- Well, I thought about it, but you could never have granted my true wish.
- No. I cannot turn you into something you are not. I cannot turn you into a true magician.
- That's all right, don't worry about it.
- I'm not.
- What do you know of King Haggard?
- I have heard that he's an old man who rules over barren country by the sea.
[...]