During a visit to the mental asylum, a visitor asked the Director what the criterion was which defined whether or not a patient should be institutionalized. Well, said the Director, we fill up a bathtub, then we offer a teaspoon, a teacup and a bucket to the patient and ask him or her to empty the bathtub. Top Ten Things That Math and Sex Have in Common.

Last summer I went on a holiday to Costa Rica on a 23-day group trip. Costa Rica is a beautiful country with great flora and fauna. We were there during the rainy season but were very lucky with the weather and hardly got wet. I took a lot of pictures and here only a small selection of them is shown. The rest of my photos and some photos of other group members can be seen in this photo album.