Being and Time is a profound exploration into the nature of being and existence, a monumental work that reshapes the landscape of contemporary philosophy. Originally published in 1927, Martin Heidegger's seminal text lays the groundwork for existential and phenomenological thought, challenging readers to reconsider the fundamental aspects of time, reality, and human existence. Heidegger delves into the concept of 'Dasein', a term he uses to describe the experience of being that is specific to human beings. Through meticulous examination, he presents a compelling investigation of how we perceive our existence in time and space. By analysing the temporal nature of our lives, Heidegger offers insights into how we relate to our past, our present actions, and our anticipation of the future. His inquiry seeks to clarify what it means to 'be', leading readers on a philosophical journey to understand the very essence of human nature. This revised translation of Being and Time aims to render Heidegger's complex ideas with greater clarity and accessibility, capturing the nuanced language and intricate thoughts of the original German edition. Translators have endeavoured to maintain the integrity of Heidegger's philosophical metaphors while providing explanatory notes that guide the reader through his multifaceted arguments. With its rigorous investigation into ontology and an emphasis on authentic existence, Being and Time is an essential text for students of philosophy, as well as anyone interested in the profound questions of life, identity, and the human condition. This influential book continues to inspire and provoke discussion, inviting readers to confront the profound questions surrounding the meaning of their own existence.