To get to the other... *sigh*
Because he wasn't paid the money he deserved.
Teacher: Why are you Late Today? Student: Because of sign down the road. Teacher: What does a sign have to do with your being late? Student: The sign said, "School Ahead, Go Slow!"
To contact those who had crossed over to the other side.
He was always dotting his T's and crossing his I's. (I made up this joke myself)
Eeyore, he's always chasing that tail.