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“The universe is transformation: life is opinion.”
Change is treated as the condition of the world, while our experience of life is shaped by judgment.
Source note: Meditations, Book IV, in George Long’s translation.
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“How late it is to begin to live just when we must cease to live!”
The line challenges plans that postpone meaningful living until an imagined later stage when there may be little time left to use.
Source note: On the Shortness of Life, Chapter III; Seneca criticizes reserving wisdom and leisure for very old age.
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“You live as if you were destined to live forever.”
Ignoring mortality can make postponement feel harmless, so Seneca treats awareness of limits as a reason to choose more deliberately now.
Source note: On the Shortness of Life, Chapter III; Seneca asks an older person to reckon honestly with how time was spent.
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“What guarantee, pray, have you that your life will last longer?”
Future plans are not rejected, but Seneca refuses to treat longevity as a certainty that can justify endless postponement.
Source note: On the Shortness of Life, Chapter III; Seneca challenges plans to begin living only after retirement from public duties.
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“The present time is short, the future is doubtful, the past is certain.”
Seneca divides time into three conditions and gives the present special urgency because it is both available and quickly passing.
Source note: On the Shortness of Life, Chapter X; opening distinction between past, present and future.
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“Life will follow the path it started upon, and will neither reverse nor check its course.”
Time continues without negotiating with status or preference, making acceptance of its direction a reason to use the available part more deliberately.
Source note: On the Shortness of Life, Chapter VIII; the sentence follows Seneca’s warning that lost years will not be returned.