A pastor, a doctor and an engineer were waiting one morning for a particularly slow group of golfers.

ENGINEER: What's with these guys? We must have been waiting for 15 minutes!

DOCTOR: I don't know, but I've never seen such ineptitude!

PASTOR: Hey, here comes the greenskeeper. Let's have a word with him.
[...dramatic pause...]

Hi George. Say, what's with that group ahead of us? They're rather slow, aren't they?

GEORGE: Oh, yes, that's a group of blind firefighters. They lost their sight saving our clubhouse from a fire last year, so we always let them play for free anytime.

The group was silent for a moment.

PASTOR: That's so sad. I think I'll say a special prayer for them tonight.

DOCTOR: Good idea. And I'm going to contact my ophthalmologist buddy and see if there's anything he can do for them.

ENGINEER: Why can't these guys play at night?