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The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom is a 2006 book written by American social psychologist Jonathan Haidt.In it, Haidt poses several "Great Ideas" on happiness espoused by thinkers of the past—such as Plato, Buddha and Jesus—and examines them in the light of contemporary psychological research, extracting from them any lessons that still apply to our modern lives.
In the Judaic worldview, the meaning of life is to elevate the physical world ('Olam HaZeh') and prepare it for the world to come (' Olam HaBa '), the messianic era. This is called Tikkun Olam ("Fixing the World"). Olam HaBa can also mean the spiritual afterlife, and there is debate concerning the eschatological order.
v. t. e. Existential nihilism is the philosophical theory that life has no objective meaning or purpose. [ 1] The inherent meaninglessness of life is largely explored in the philosophical school of existentialism, where one can potentially create their own subjective "meaning" or "purpose". The supposed conflict between our desire for meaning ...
Life review. Life review[ a] is a phenomenon widely reported in near-death experiences in which people see their life history in an instantaneous and rapid manifestation of autobiographical memory. Life review is often described by those who have experienced it as "having their life flash before their eyes". The experience often changes the way ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Eccentricity effect. The eccentricity effect is a visual phenomenon that affects visual search. As retinal eccentricity increases (i.e. the light of the image enters the eye at a larger angle and approaches peripheral vision), the observer is slower and less accurate to detect an item they are searching for. [ 1]
Optics and vision. Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images ...
The unexamined life is not worth living" is a famous dictum supposedly uttered by Socrates at his trial for impiety and corrupting youth, for which he was subsequently sentenced to death. The dictum is recorded in Plato's Apology (38a5–6) as ho dè anexétastos bíos ou biōtòs anthrṓpōi ( ὁ δὲ ἀνεξέταστος βίος οὐ ...