A mirroring on being intellectually ill. Or something.
Let, for want of due repair,
A real house fall down,
To build a castle in the air?
– Charles Denis
A witty and attractive Thracian servant-girl is said to have mocked Thales for falling into a well while he was observing the stars and gazing upwards; declaring that he was eager to know the things in the sky, but what was behind him and just by his feet escaped his attention.
– A fragment on Thales from Plato’s Theaetetus