Eyesight should learn from reason.
Interpretation
This quote emphasizes the importance of using reason in our observation and understanding of the world.
Johannes Kepler asserts that our perception, represented by eyesight, should be guided by reason and rationality. This suggests that while we may observe the world around us visually, it is through logical thinking and reason that we can truly comprehend and learn from those observations.
In practice
In a philosophical debate about perception and reality.
...Those laws are within the grasp of the human mind. God wanted us to recognize them by creating us after his own image so that we could share in his own thoughts... and if piety allow us to say so, our understanding is in this respect of the same kind as the divine, at least as far as we are able to grasp something of it in our mortal life.
A most unfailing experience... of the excitement of sublunary (that is, human) natures by the conjunctions and aspects of the planets has instructed and compelled my unwilling belief.
We find, therefore, under this orderly arrangement, a wonderful symmetry in the universe, and a definite relation of harmony in the motion and magnitude of the orbs, of a kind that is not possible to obtain in any other way.
I am stealing the golden vessels of the Egyptians to build a tabernacle to my God from them, far far away from the boundaries of Egypt. If you forgive me, I shall rejoice; if you are enraged with me, I shall bear it. See, I cast the die, and I write the book. Whether it is to be read by the people of the present or of the future makes no difference: let it await its reader for a hundred years, if God himself has stood ready for six thousand years for one to study him.
I measured the skies, now the shadows I measure, Sky-bound was the mind, earth-bound the body rests. [Kepler's epitaph]
It may be well to wait a century for a reader, as God has waited six thousand years for an observer.
The realization of ignorance is the first act of knowing.
Alas! You complain that your soul is out of tune. Then ask the Master to tune the heart-strings.
The only lies for which we are truly punished are those we tell ourselves.
I'll give you some symptoms of a sign that your faith is deteriorating-whenever you face all of your problems and you trust only your plans to get you out-it is a sign that your faith is deteriorating.
Nobody has the right to shield any idea as so sacred it can’t be challenged. ... Almost all human progress is driven by people who stood up and said ‘I disagree’ with this idea that society at the time considered to be the most precious.’
Sometimes we drug ourselves with dreams of new ideasl The head will save us. The brain alone will set us free. But there are no new ideas waiting in the wings to save us as women, as human. There are only old and forgotten ones, new combinations, extrapolations and recognitions from within ourselves--along with the renewed courage to try them out.
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