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To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.
- Nicolaus CopernicusPhoto by Clay Banks on Unsplash
To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.
- Nicolaus CopernicusIn so many and such important ways, then, do the planets bear witness to the...
For it is the duty of an astronomer to compose the history of the celestial...
Therefore when I considered this carefully the contempt which I had to fear...
Not a few other very eminent and scholarly men made the same request, urging...
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