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.
Whether or not LSD research and therapy will return to society, the discoveries that psychedelics made possible have revolutionary implications for our understanding of the psyche, human nature, and the nature of reality.
I suggest that going to Mars means permanence on the planet - a mission by which we are building up a confidence level to become a two-planet species.
Mechanics is the paradise of the mathematical sciences because by means of it one comes to the fruits of mathematics.
There cannot be a language more universal and more simple, more free from errors and obscurities...more worthy to express the invariable relations of all natural things [than mathematics]. [It interprets] all phenomena by the same language, as if to attest the unity and simplicity of the plan of the universe, and to make still more evident that unchangeable order which presides over all natural causes
As a Christian, but also as a scientist responsible for overseeing the Human Genome Project, one of my concerns has been the limits on applications of our understanding of the genome. Should there be limits? I think there should. I think the public has expressed their concern about ways this information might be misused.
Now, radical forward thinking is offering hope for the future: Replacement body parts to order. A team of scientists in California believe that if you can design them on a computer, you should be able to print them out.
Subscribe for the occasional hand-picked quote. No noise.