Quote by Hipparchus

"To catalogue is to care; the care with which we observe determines the value of what we observe."

Hipparchus
Astronomer Mathematician Anatolia (Nicaea) 190–120

More from Hipparchus

"The stars are the land-marks of the universe."
"In the celestial sphere, we find the truth of all things."
"Measure twice, cut once; observe twice, conclude once."
"The heavens declare the glory of precision."

All quotes by Hipparchus