Existential nihilism is the philosophical theory that life has no intrinsic meaning or value. With respect to the universe, existential nihilism suggests that a single human or even the entire human species is insignificant, without purpose and unlikely to change in the totality of existence. According to the theory, each individual is an ...

Nihilism (/ ˈ n aɪ (h) ɪ l ɪ z əm, ˈ n iː-/; from Latin nihil 'nothing') is a philosophy, or family of views within philosophy, that rejects generally accepted or fundamental aspects of human existence, such as objective truth, knowledge, morality, values, or meaning. The term was popularized by Ivan Turgenev, and more specifically by his character Bazarov in the novel Fathers and Sons.

Definition. In psychology and psychotherapy, the term "existential crisis" refers to a form of inner conflict.It is characterized by the impression that life lacks meaning and is accompanied by various negative experiences, such as stress, anxiety, despair, and depression. This often happens to such a degree that it disturbs one's normal functioning in everyday life.

The Russian nihilist movement was a philosophical, cultural, and revolutionary movement in the Russian Empire during the late 19th and early 20th centuries, from which the broader philosophy of nihilism originated. In Russian, the word nigilizm (Russian: нигилизм; meaning 'nihilism', from Latin nihil 'nothing') came to represent the movement's unremitting attacks on morality, religion ...

存在主义（英語： Existentialism ），又稱為實存主義，以意識到“我”的存在為中心，來探討人類的生存、幸福、和責任的一種哲学思想，在哲学的分類上屬於非理性主义的一支。 在存在主義者看來，人類個體總是會出現“存在焦慮”，即面對明顯無意義的人生（人皆有死）或荒謬的世界（善惡未 …

Friedrich Wilhelm Nietzsche (/ ˈ n iː tʃ ə,-tʃ i /; German: [ˈfʁiːdʁɪç ˈvɪlhɛlm ˈniːtʃə] or [ˈniːtsʃə]; 15 October 1844 – 25 August 1900) was a German philosopher, prose poet, cultural critic, philologist, and composer whose work has exerted a profound influence on contemporary philosophy.He began his career as a classical philologist before turning to philosophy.

Thomism is the philosophical and theological school that arose as a legacy of the work and thought of Thomas Aquinas (1225–1274), the Dominican philosopher, theologian, and Doctor of the Church.In philosophy, Aquinas' disputed questions and commentaries on Aristotle are perhaps his best-known works. In theology, his Summa Theologica is amongst the most …

Absurdism is the philosophical theory that existence in general is absurd. This implies that the world lacks meaning or a higher purpose and is not fully intelligible by reason.The term "absurd" also has a more specific sense in the context of absurdism: it refers to a conflict or a discrepancy between two things but there are several disagreements about their exact nature.

Emptiness as a human condition is a sense of generalized boredom, social alienation and apathy.Feelings of emptiness often accompany dysthymia, depression, loneliness, anhedonia, despair, or other mental/emotional disorders, including schizoid personality disorder, post-traumatic stress disorder, attention deficit hyperactivity disorder, schizotypal personality …

Christian existentialism relies on Kierkegaard's understanding of Christianity.Kierkegaard argued that the universe is fundamentally paradoxical, and that its greatest paradox is the transcendent union of God and humans in the person of Jesus Christ.He also posited having a personal relationship with God that supersedes all prescribed moralities, social structures and …