"Whatever is common to children of a given age is set up as the fundamental character of that age. The fact that three…"

"Only by the concrete whole which comprises the object and the situation are the vectors which determine the dynamics …"

"One can ask two different kinds of questions with regard to the topics of study in psychology as well as in other sci…"

"The essential meaning of such an assertion is this: events a and b are necessarily dependent moments of a single unif…"

"[Satiation may spill over outside the specific task to structurally similar tasks) and may end up in an early] exhaus…"

"It is not the similarity or dissimilarity of individuals that constitutes a group, but interdependence of fate."

"The scope of time ahead which influences present behavior, and is therefore to be regarded as part of the present life…"

"[Conflict can be defined] as the opposition of approximately equally strong field forces."

"The attitude of Aristotelian physics toward lawfulness takes a new direction. So long as lawfulness remained limited …"

"Only a few years ago one could observe, at least among German psychologists, a quite pessimistic mood. After the init…"