There is a great tendency in the world of psychology to assume that we are basically all the same. We may have varied neuroses and psychoses, but everything can be studied as if there were just one level of consciousness. An alternative view is that human beings are in a process of development which has various way-stations, nameable and researchable, which make a structural difference to their thinking and feeling and experiencing. In this paper I argue that the latter position, radical as it is, needs to be considered when engaging in psychology, so as not to hold back or deny this developmental process. It also makes it very clear how important the idea of authenticity can be in the therapeutic process.