Weblinks - An eclectic collection of Links to subjects that interest me.

A principal intention of this essay is to separate what are known as algebras of logic from the subject of logic, and to re-align them with mathematics. Such algebras, commonly called Boolean, appear mysterious because accounts of their properties at present reveal nothing of any mathematical interest about their arithmetics.

Kahlil Gibran published "The Prophet" in 1923 and saw immediate success, but its real popularity came after his death.  It remains popular today, providing insight and spiritual significance to ordinary human experiences.  Gibran poetically addresses topics such as "Love" and "Marriage" as well as more mundane ones like "Work" and "Talking."  Gibran's "spiritual fiction" does not shy away from deeper aspects of human life, either.  Almustafa, the prophet, speaks also about "Good and Evil", "Joy and Sorrow", and even "Death."   This compact soft cover edition contains the original illustrations, made by Gibran himself.

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In physics, the observer effect is the theory that the mere observation of a phenomenon inevitably changes that phenomenon. This is often the result of instruments that, by necessity, alter the state of what they measure in some manner. A common example is checking the pressure in an automobile tire; this is difficult to do without letting out some of the air, thus changing the pressure. Similarly, it is not possible to see any object without light hitting the object, and causing it to reflect that light. While the effects of observation are often negligible, the object still experiences a change. This effect can be found in many domains of physics, but can usually be reduced to insignificance by using different instruments or observation techniques.

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"Donald Trump rose to power with the determined assistance of a movement that denies science, bashes government and prioritized loyalty over professional expertise. In the current crisis, we are all reaping what that movement has sown."

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Philosophy of mind is a branch of philosophy that studies the ontology and nature of the mind and its relationship with the body. The mind–body problem is a paradigm issue in philosophy of mind, although other issues are addressed, such as the hard problem of consciousness, and the nature of particular mental states. Aspects of the mind that are studied include mental events, mental functions, mental properties, consciousness, the ontology of the mind, the nature of thought, and the relationship of the mind to the body.

Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics describing the properties of nature.

Classical physics, the description of physics that existed before the formulation of the theory of relativity and of quantum mechanics, describes many aspects of nature at ordinary (macroscopic) scale. Quantum mechanics explains the aspects of nature at ordinary (macroscopic) scales but extends this description to the small – atomic and subatomic – scales. Most theories in classical physics can be derived from quantum mechanics as an approximation valid at large (macroscopic) scale. Quantum mechanics differs from classical physics in that energy, momentum, angular momentum, and other quantities of a bound system are restricted to discrete values (quantisation), objects have characteristics of both particles and waves (wave-particle duality), and there are limits to how accurately the value of a physical quantity can be predicted prior to its measurement, given a complete set of initial conditions (the uncertainty principle)

Reading this, confirms that "Sin" has changed it's meaning depending on time and the religious group using the definition. So strong a concept and so useless in spiritual progress.

As a mystic and ascetic aspect of Islam, it is considered as the part of Islamic teaching that deals with the purification of the inner self. By focusing on the more spiritual aspects of religion, Sufis strive to obtain direct experience of God by making use of "intuitive and emotional faculties" that one must be trained to use.

Swami Vivekananda  12 January 1863 – 4 July 1902), born Narendranath Datta , was an Indian Hindu monk, a chief disciple of the 19th-century Indian mystic Ramakrishna.[He was a key figure in the introduction of the Indian philosophies of Vedanta and Yoga to the Western world and is credited with raising interfaith awareness, bringing Hinduism to the status of a major world religion during the late 19th century.

The Tractatus Logico-Philosophicus (widely abbreviated and cited as TLP) (Latin for Logical Philosophical Treatise or Treatise on Logic and Philosophy) is the only book-length philosophical work by the Austrian philosopher Ludwig Wittgenstein that was published during his lifetime. The project had a broad goal: to identify the relationship between language and reality and to define the limits of science. It is recognised by philosophers as a significant philosophical work of the twentieth century. G. E. Moore originally suggested the work's Latin title as homage to the Tractatus Theologico-Politicus by Baruch Spinoza.

Universal Declaration of Human Rights - has it ever meant more than the paper it's written on?

Declaration adopted in 1948 by the United Nations General Assembly Universal Declaration of Human Rights Eleanor Roosevelt with the English language version of the Universal Declaration of Human Rights. Created 1948 Ratified 10 December 1948 Location Palais de Chaillot, Paris Author(s) Draft Committee [a] Purpose Human rights Poster The human rights adopted by the United Nations General Assembly of its 183rd meeting, held in Paris on 10 December 1948

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The culmination of a lifetime of study, Hear Yourself lays out the crucial steps we can use to focus on the voice within. Take a walk in nature and listen for the sounds of harmony, Prem Rawat suggests, or set aside a few minutes each day to feel gratitude, which comes from the core of our being. He challenges us to embrace our thirst for peace and let go of expectations for how it should feel. With one straightforward yet deeply profound question, he helps us to focus—to be present: Am I conscious of where I am today and what I want to experience in this world?”