4 Quotes by Wolfgang Köhler

Common human experience alone is no guarantee with which we can build a science of psychology.

Psychology is a very unsatisfactory science.

It is hardly an exaggeration to say that a chimpanzee kept in solitude is not a real chimpanzee at all.

It has sometimes been said that we find nowhere in nature an analogue of the difference between happens and is, on the one hand, and ought, on the other hand.