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“It is not that we have a short time to live, but that we waste a lot of it.”
Seneca shifts the complaint from life being too brief to attention and time being poorly spent.
Source note: English wording varies by translation.
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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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“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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“Do every act of thy life as if it were the last.”
Treating action as potentially final concentrates attention on doing the present duty carefully instead of postponing integrity or focus.
Source note: Meditations, Book II, section 5, George Long translation; this clause occurs inside a longer instruction about dignity and reason.
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“Realise how much time there is, how long the day is.”
The line reframes a day as a substantial block of usable time, encouraging deliberate attention rather than the constant feeling that useful work must be rushed.
Source note: A Way of Life, section IV; Project Gutenberg #73116. Osler places the sentence within advice on directing the mind and avoiding hurry and worry; this collection does not convert his period medical rhetoric into a modern clinical claim.
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“While thou livest, while it is in thy power, be good.”
Limited time turns character into a present-tense responsibility rather than a future intention.
Source note: Meditations, Book IV, in George Long’s translation.