Hipparchus from Ptolemy, Almagest
• Never deceive a friend
• Never deceive a friend
“
I have composed a book on the length of the year in which I show that the tropical year contains 365 days plus a fraction of a day which is not exactly 1/4 days as the mathematicians-astronomers suppose, but which is less than 1/4 by about 1/300.
— Hipparchus
What It Means
This is a placeholder explanation generated by the low-overhead model. It interprets "I have composed a book on the length of the year in which I show that the tropical year contains 365 days plus a fraction of a day which is not exactly 1/4 days as the mathematicians-astronomers suppose, but which is less than 1/4 by about 1/300." in the context of "Hipparchus from Ptolemy, Almagest
• Never deceive a friend" to mean that wisdom is timeless.
Source: Wikiquote: "Hipparchus" (Quotes)
The 'What it means' explanation text was generated by Google Gemini Flash (accessed January 18, 2026). https://gemini.google.com/app
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About Hipparchus
Hipparchus of Nicaea (c. 190 – c. 120 BC) was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxes.
About Hipparchus
Hipparchus of Nicaea (c. 190 – c. 120 BC) was a Greek astronomer, geographer, and mathematician. He is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxes.
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