Wolfgang Kohler Inspirational Quotes (4)

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.

Psychology is a very unsatisfactory science.

It would be interesting to inquire how many times essential advances in science have first been made possible by the fact that the boundaries of special disciplines were not respected... Trespassing is one of the most successful techniques in science.

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