"Physics does not change the nature of the world it studies, and no science of behavior can change the essential nature of man, even though both sciences yield technologies with a vast power to manipulate the subject matters"

Physics stands as a discipline dedicated to unveiling the underlying laws that govern the physical universe, but its findings and technological applications do not alter the fundamental fabric of the world itself. Similarly, the study of human behavior, through psychology, neuroscience, or behavioral sciences, yields insights and interventions capable of substantial influence, yet there remains a boundary they cannot cross: the essential, intrinsic nature of humankind. Technologies emerging from these scientific pursuits undeniably possess power to manipulate, shape, and direct phenomena within their domains. Physics, for example, leads to engineering marvels, energy harnessing, or quantum computing. Behavioral sciences inform education, therapy, social engineering, even marketing on a grand scale.

However, these outcomes are distinct from a transformation of essence. The world, in a metaphysical sense, remains unchanged by physics; its essence is constant, merely revealed in ever greater clarity. Technological developments may modify conditions, experiences, or behaviors, but not the core substance of matter or the immutable laws which bind it. Equally, no depth of psychological insight, no behavioral manipulation, can reach deep enough to alter what defines the human person at their core, their capacity for reason, for love, their moral sense, and existential longing.

The implication recognizes both the promise and limitation inherent in scientific enterprise. There is immense potential in applying knowledge for societal good or practical effect, but wisdom demands acknowledging boundaries. Power over phenomena does not equate to power over being. As such, humility becomes essential in both scientific inquiry and technological application. By distinguishing between what can be manipulated and what remains fundamentally unchangeable, there emerges a respect for the mystery at the root of existence and human identity. This perspective encourages the pursuit of knowledge and innovation while cautioning against hubris and the illusion that all things are malleable before human will or ingenuity.