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  2. Meaning of life - Wikipedia

    en.wikipedia.org/wiki/Meaning_of_life

    The first English use of the expression "meaning of life" appears in Thomas Carlyle's Sartor Resartus (1833–1834), book II chapter IX, "The Everlasting Yea". [1]Our Life is compassed round with Necessity; yet is the meaning of Life itself no other than Freedom, than Voluntary Force: thus have we a warfare; in the beginning, especially, a hard-fought battle.

  3. Anthropic principle - Wikipedia

    en.wikipedia.org/wiki/Anthropic_principle

    Anthropic reasoning has been used to address the question as to why certain measured physical constants take the values that they do, rather than some other arbitrary values, and to explain a perception that the universe appears to be finely tuned for the existence of life. There are many different formulations of the anthropic principle.

  4. Existence precedes essence - Wikipedia

    en.wikipedia.org/wiki/Existence_precedes_essence

    The proposition that existence precedes essence (French: l'existence précède l'essence) is a central claim of existentialism, which reverses the traditional philosophical view that the essence (the nature) of a thing is more fundamental and immutable than its existence (the mere fact of its being). [1] To existentialists, human beings ...

  5. Existential nihilism - Wikipedia

    en.wikipedia.org/wiki/Existential_nihilism

    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".

  6. Environmental ethics - Wikipedia

    en.wikipedia.org/wiki/Environmental_ethics

    Biotic ethics values life itself, as embodied in biological structures and processes. Humans are special because they can secure the future of life on cosmological scales. In particular, humans can continue sentient life that enjoys its existence, adding further motivation to propagate life. Humans can secure the future of life, and this future ...

  7. A Treatise Concerning the Principles of Human Knowledge

    en.wikipedia.org/wiki/A_Treatise_Concerning_the...

    [1] Ideas are known and perceived by a knowing perceiver. This active perceiver is designated by the names mind, spirit, soul, or self. Ideas exist by virtue of a perceiver. The existence of an idea consists in being perceived. [2] What is meant by the term "exist" when it is applied to a thing that is known through the senses?

  8. Why is there anything at all? - Wikipedia

    en.wikipedia.org/wiki/Why_is_there_anything_at_all?

    The question does not include the timing of when anything came to exist. Some have suggested the possibility of an infinite regress, where, if an entity cannot come from nothing and this concept is mutually exclusive from something, there must have always been something that caused the previous effect, with this causal chain (either deterministic or probabilistic) extending infinitely back in ...

  9. Human - Wikipedia

    en.wikipedia.org/wiki/Human

    The typical height of an adult human is between 1.4 and 1.9 m (4 ft 7 in and 6 ft 3 in), although this varies significantly depending on sex, ethnic origin, and family bloodlines. [239] [240] Body size is partly determined by genes and is also significantly influenced by environmental factors such as diet, exercise, and sleep patterns. [241]