what is the difference between a good and bad life?
what is the moral value of science?
what is the relation between reality and perfection?
what would you do if I lied to you?
is (y)our study fun ?
what do (y)our student(s) need ?
... problem(s) of (y)our time(s)!?
... improve (y)our life
(y)our intellectual despair?
what is serious gaming?
where is utopia?