A priest, a doctor, and a mathematician... are playing golf, and they notice that the group ahead of them is playing slower than any group they've seen before. So when the owner of the course walks by, they ask why the group ahead of them were going so slowly. The owner says, ""Oh, this is a group of volunteer firemen who lost their sight while saving our course from a raging fire last year; we let them play for free."" The priest says, ""I'll have my congregation pray for them."" The doctor says, ""I'll do my best to get them a good surgeon."" The mathematician says, ""Why don't they play at night?""