In terminology, curiosity (TR:70) refers to []

In 1888, Jacques Loeb, in his “The Orientation of Animals to Light”, introduced his tropism theory or forced movement theory of action (see also: induced movement), the beginning of a long effort to overthrow that anthropomorphic-view of animal and plant movement, e.g. that protoplasmic substances move toward the source of light, "because of curiosity", as many argued during Loeb's day. [1]

The following are noted quotes:

“You must begin a child's education as soon as he displays any power to think. Everybody knows how hard it is to learn a new language late in life. The same holds good of all our acquisitions. The earlier they are acquired the more truly they become part of us. At the same time keep alive within the child the quickening power of curiosity. Do not repress him. Answer his questions; give him the information he craves, seeing to it always that he understands your explanations.”
Boris Sidis (c.1910), commentary on William James' 1890s “reserve energy” theory, which he employed in the forced prodigy raising of his son William Sidis (1898-1944) [2]

“The consideration [of] the nature of the forces involved in [human] relationships is not an easy subject. There are numerous pitfalls in applying what we know about ordinary human behavior to love, or even to sexual desires; and so to reinforce this fact I provide you with the following to consider: these processes occur on human time [human time] and length scales which are well known to us, and yet extrapolating (or interpolating?) from the known into the unknown may be dangerous. So one asks, what is the nature of sex and love and so on, and their relation to the other everyday experiences around us? And the answer, of course, follows only from an observation of this world and the processes that occur in it. It must be noted, if it is not obvious, that I have never experienced any sort of romance. It is also true that I [likely] never will, and yet my curiosity drives me to inquire as to the nature of the experience. And it is true that physical theory is the only way in which to answer this question, other than direct experience. While direct experience is undeniably a more reliable way to answer such questions, a few major problems with direct experience must be addressed: first, that it is [probably] not going to happen; and second, that various other people whom I know have been involved in romances, and in some cases they have been involved in many consecutive romances, but have failed to take data during those treasured minutes of sex. Love lasts longer but they don't want to analyze their relationships for fear of destroying them. More seriously, they do not take time to step back and make objective and scientific observations. Thus, for all practical purposes, the mysteries of sex and love can for the time being only be revealed by theory.”
Christopher Hirata (2000), “The Physics of Relationships” (§4:Neutron Scattering: a Cautionary Tale) [3]

“Since as a kid I was aware of the abyss (super rift) between the material and mental worlds. I tried to bridge this abyss, but could not. Yet I kept on with my own "Steigerung" as Goethe did. Then during 1982-83 I discovered empirically that the law of entropy production applies to the spiritual [humanistic] world as it applies to the physical world. My joy knew no bounds. I have found the bridge between these two worlds with which to cross the abyss between them. Others thought I was crazy and would not dare to publish my account. Then, in 1986, if I remember correctly, I was teaching university students the intricate calculations concerning free energy in chemical reactions. During that lecture I suddenly became aware how my mind was rushing along two levels. The lower level was concerned with chemical processes as a physical phenomenon. I executed this level almost automatically. But the higher level of my mind was exploring free energy in the process of knowing-learning as a spiritual [thermodynamics] phenomenon. I followed this level with great curiosity. I think the students became aware that I was rather absent minded that day, not perceiving my higher most thoughts. That day marks the beginning of my continual exploring of the role of free energy in the spiritulization [actualization] of humankind.”
Adriaan de Lange (2001), “Fitness Landscape and other Landscapes” [4]

1. Loeb, Jacques. (1888). “The Orientation of Animals to Light” (“Die Orientierung der Tiere gegen das Licht”), Sitzngsb. Wurzb. Physik.-md. Ges.
2. Author. (1910). "Boy Prodigy of Harvard", Current Literature, 48: 291-93.
3. (a) Hirata, Christopher M. (c.2000). “The Physics of Relationships” (§4:Neutron Scattering: a Cautionary Tale) (ΡΊ) (section: Fun),; (WayBack Machine).
(b) Hirata, Christopher M. (2010). "The Physics of Relationships", Journal of Human Thermodynamics, 6(5): 62-76.
4. De Lange, Adriaan M. (2001). “Fitness Landscape and other Landscapes” (threads: LO27222), 09/03/01 –

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