What does Socrates argue that death is, and why do true philosophers welcome it?

http://www.sparknotes.com/philosophy/phaedo/section3.rhtml

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Socrates argues a unique perspective on death in Plato's dialogue "Phaedo." According to Socrates, death is the separation of the soul from the body, leading to the soul's liberation and its return to its true nature. He believes that the body is an obstacle to the pursuit of wisdom and the eternal nature of the soul. Hence, death should be considered a release from the physical limitations and a transition into the realm of pure knowledge and truth.

Socrates further suggests that true philosophers should welcome death because it offers them the opportunity to attain true wisdom and the ultimate understanding of reality. He asserts that through philosophical contemplation and the pursuit of knowledge, individuals can cultivate their souls and detach themselves from the physical world.

To grasp Socrates' argument fully, one can explore the dialogue "Phaedo," where Socrates elaborates on his beliefs. Reading or studying Plato's works, particularly "Phaedo" or other dialogues that discuss his philosophy of death, allows you to delve deeper into his reasoning and the nuances of his arguments. It is through this engagement with primary sources that a clearer understanding of Socrates' ideas on death and philosophy can be obtained.