Psychology has a long past, but only a short history.
Interpretation
Psychology has ancient roots but is a relatively new field of academic study.
The quote by Hermann Ebbinghaus highlights the idea that while the concepts and practices related to psychology have existed since ancient times, the formal study and recognition of psychology as a scientific discipline is quite recent. This indicates the evolution of understanding human behavior from philosophical musings to a structured field of research and application.
In practice
In a psychology lecture to illustrate the origins of the field.
Ideas which have been developed simultaneously or in immediate succession in the same mind mutually reproduce each other, and do this with greater ease in the direction of the original succession and with a certainty proportional to the frequency with which they were together
Often, even after years, mental states once present in consciousness return to it with apparent spontaneity and without any act of the will; that is, they are reproduced involuntarily.
Mental states of every kind, - sensations, feelings, ideas, - which were at one time present in consciousness and then have disappeared from it, have not with their disappearance absolutely ceased to exist.
You have to know evolution to understand the natural world. And that cannot be a threat to people of faith. There's a serious problem if you are forced by your faith to reject the most well-supported theory in all of science.
I give infinite thanks to God, who has been pleased to make me the first observer of marvelous things.
Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
Science has helped us to understand and master ourselves, creating an elevated new form of human life, the wealth and beauty of which cannot be pictured today by the keenest imagination.
Among physicists, I'm respected I hope.
Wherever we look at the living biota … discontinuities are overwhelmingly frequent…The discontinuities are even more striking in the fossil record. New species usually appear in the fossil record suddenly, not connected with their ancestors by a series of intermediates.
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