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“Unless you seize the day, it flees.”
The present has to be used while it is available because delay does not pause the day that is already moving away.
Source note: On the Shortness of Life, Chapter IX; Basore translation, in Seneca’s attack on indefinite delay and preparation for a future life.
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“While we are postponing, life speeds by.”
Seneca warns that postponement is itself a use of finite life: waiting for a more convenient future can become the very way the available present is lost.
Source note: Moral Letters to Lucilius, Letter 1, “On Saving Time,” Richard M. Gummere translation. The line follows Seneca’s advice to hold every hour and precedes his claim that nothing is truly ours except time. Letter 1 remains part of the single normalized Moral Letters work family.
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“Postponement is the greatest waste of life.”
Delay is costly because it exchanges a real day for a future that remains uncertain and therefore cannot be spent yet.
Source note: On the Shortness of Life, Chapter IX; sentence in Seneca’s criticism of distant plans that steal the present.
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“Do not act as if thou wert going to live ten thousand years.”
Mortality is used to challenge postponement: limited time makes present conduct more important than fantasies of an indefinitely extended future.
Source note: Meditations, Book IV, section 17, in George Long’s translation.
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“Begin at once to live, and count each separate day as a separate life.”
Seneca argues against postponing life into an imagined future and asks the reader to treat the present day as complete enough for deliberate living.
Source note: Moral Letters to Lucilius, Letter 101.
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“Silent it will glide on.”
Time often disappears without a dramatic signal, which makes ordinary attention more important than waiting for a crisis to announce that life is passing.
Source note: On the Shortness of Life, Chapter VIII; Seneca describes life continuing quietly regardless of power or applause.