My dad told me that his dreams were shattered a few years ago.

Then I asked him how many years ago.

He replied with, "When were you born?"

What did the knight say to his younger brother? "Good night."

You expected a silly pun there, didn't you? That's pretty rude. It makes light of the struggles of being a knight. Especially a good knight.

Doctor: You need new glasses.

Patient: How'd you know? I haven't even told you what is wrong with me yet.

Doctor: I could tell as soon as you walked in through the window.