Translation of Interessent

Since Joseph is convinced of the coming success, he suggests to leave the machine in Canada for another 2 months (at no cost of course!). I think that they learned a lot through your project.
We begin to talk about 'we' and 'they', which makes us partly discriminating. As a whole, I guess that all of us have some predispositions, but the difference is, that some know how to supress it.
Once at the island we climbed up the limestone mountain and got a superb view of the entire bay area. The cave by itself was also impressive and our guide explained about how this cave was discovered.