I consider it a duty to spend my life in this noble pursuit.
Astronomical observations
I consider it a duty to spend my life in this noble pursuit.
Astronomical observations
Referring to his astronomical observations and scientific endeavors.
late 16th century
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"I have a pet raven, and it is very intelligent."
Humorous"I have lost my nose in a duel, but I have replaced it with a better one."
Humorous"The more I observe, the more I realize how little I know."
Strange & Unusual"I have a team of assistants, and they help me with my observations."
Humorous"I have measured the heavens with greater accuracy than any before me."
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