The Holy Trinity: God the Father, God the Son and God the Holy Ghost are discussing where they should go on holiday. God the Father is concernd about the cosequences of global warming and so wishes to go to Antartica to observe the effects firsthand. God the Son is fascinated by liberation theology and so wants to go to South America. However God the Holy Ghost overrules them all and says he wants to go to Rome.
After all He hasn't been there for 2,000 years
The theology of the 'Stop' sign:
http://danny.oz.au/danny/humour/STOP From the same site: The Theological Engineering Exam
http://danny.oz.au/danny/humour/theology-exam