“1: One man's constant is another man's variable.”
Alan Perlis Epigrams on Programming
Epigrams on Programming, 1982
“The materials of action are variable, but the use we make of them should be constant.”
How Nobleness of Mind may be consistent with Prudence, Chap. v.
Bartlett's Familiar Quotations, 10th ed. (1919)
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Epictetus175
philosopher from Ancient Greece 50–138Related quotes
Leonhard Euler (1707–1783) Swiss mathematician
§4
Introduction to the Analysis of the Infinite (1748)
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p, 125
Philosophy of Structures (1958)
Saul Gorn (1912–1992) computer scientist
Saul Gorn (1954) Planning Universal Semi-Automatic Coding
Matthew Arnold (1822–1888) English poet and cultural critic who worked as an inspector of schools
Joseph Butler, Human Nature and Other Sermons, "Sermon VII" as quoted in Arnold's "St. Paul and Protestantism" (1870).
Misattributed
“The greatest mistake we make is living in constant fear that we will make one.”
John C. Maxwell (1947) American author, speaker and pastor
“No one should be discouraged, Theaetetus, who can make constant progress, even though it be slow.”
Original Greek, from Sophist 261b http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A1999.01.0172%3Atext%3DSoph.%3Asection%3D261b: θαρρεῖν, ὦ Θεαίτητε, χρὴ τὸν καὶ σμικρόν τι δυνάμενον εἰς τὸ πρόσθεν ἀεὶ προϊέναι. <br class="br">Also quoted in variant forms such as: Never discourage anyone who continually makes progress, no matter how slow <br class="br">Sophist