The essence of human intelligence is wisdom... and IQ.

 Wisdom also consists of the basic—and therefore fundamental—capacity to discern what is true from what is not, as well as what is truly essential from what is frivolous, aiming to broaden one's understanding of reality for better survival and living.

Cognitive tests measure our capabilities—arithmetic, spatial, linguistic, memory, and (decontextualized) pattern recognition—which are vital facets of human intelligence. However, they do not assess creativity or wisdom, qualities fundamental to genius and intellectual discernment, respectively. This means it is entirely possible to score very high on these tests without being creative or "wise." While the facets of intelligence measured and compared by these tests manifest in specific activities or purposes when required, wisdom stems from the fundamental act of perception aimed at correct judgment, and is called upon during virtually every moment of interaction with reality.

Wisdom represents the ideal expression of the integrated functioning of human intelligence's various facets, whereas cognitive tests analyze them in isolation and out of context. It is akin to comparing the individual operation of components in an electronic device versus observing the device functioning as a whole. This applies even in less obvious instances—such as when an individual, through self-awareness, recognizes their own unsuitability for a particular activity.

Pattern recognition

One of the most basic—or fundamental—actions of intelligence is pattern recognition (the detection of repetitive behaviors characterizing phenomena, elements, and their expressions, as well as their levels of similarity and difference). Cognitive tests also measure this capacity, but in a decontextualized manner—using questions unrelated to real-world events—because, when interacting with various circumstances, our psychological predispositions play a highly influential and often detrimental role regarding the philosophical or wise pursuit of unequivocal truth. Due to our personalities and their constant interplay with our environments, we tend to—or risk—filtering information based on what instinctively suits us best, rather than simply recognizing facts and patterns; this information often varies in veracity, ranging from truths and half-truths to outright lies. Therefore, if IQ tests are essentially tests of pattern recognition, wisdom represents the real-world application of that skill—and, I regret to inform you, most people do not perform well in that regard. It is akin to comparing a driving test—which typically requires technical knowledge assessed through written and practical exams—with actual driving on the streets; the exam result does not always mirror reality. This is precisely the case with cognitive tests, as they yield many false positives: individuals who score highly yet prove to be passive, dull, and biased thinkers in practice, or who conversely engage in excessive divergent or overconfident thinking. It is much like the driver who passes the driving test with great scores but then speeds on the streets, disregarding traffic laws and endangering other drivers and pedestrians alike...