“If the immortal is also imperishable, the soul when attacked by death cannot perish; for the preceding argument shows that the soul will not admit of death, or even be dead, any more than three or the odd number will admit of the even…”
Plato, Phaedo
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Socrates 168
classical Greek Athenian philosopher -470–-399 BCRelated quotes

Legitimation of Belief (1974), p. 99

"The Brooklyn Divines." Brooklyn Union (Brooklyn, NY), 1883.
Context: I see that the Rev. Dr. Eddy advises ministers not to answer the arguments of infidels in the pulpit, and gives this wonderful reason: That the hearers will get more doubts from the answer than from reading the original arguments. So the Rev. Dr. Hawkins admits that he cannot defend Christianity from infidel attacks without creating more infidelity.

Quoted by Will Durant in On the Meaning of Life http://books.google.com/books?id=XH5HAAAAIAAJ&q=%22Either+the+soul+is+immortal+and+we+shall+not+die+or+it+perishes+with+the+flesh+and+we+shall+not+know+that+we+are+dead+Live+then+as+if+you+were+eternal%22&pg=PA53#v=onepage (1932)
Context: What shall we know of our death? Either the soul is immortal and we shall not die, or it perishes with the flesh and we shall not know that we are dead. Live, then, as if you were eternal, and do not believe that your life has changed merely because it seems proved that the Earth is empty. You do not live in the Earth, you live in yourself.

Source: To the Most Reverend Nun Xenia (c. 1344), p. 296