This idea actually goes to the very heart of Polanyi's critique of positivism in particular and of scientism in general, something I'll be discussing in more detail in subsequent posts. That is, he did not regard scientific theories as objectively true; but nor are they merely subjective. This represents a false dichotomy. In actuality, subjective and objective are complementary and operate in a dialectic fashion to extend the human mind into the unknown, thus expanding the interior (and therefore exterior) horizon of the cosmos.
Polanyi compared scientific theories to the cane of a blind man. Imagine if you suddenly lost your sight and had to explore your surroundings with a cane. At first you would be very aware of the sensations of the cane in your hand. In a sense, your world would be very "cramped" and up close. But with time, the cane would begin to be an extension of your hand, so that you could "feel" things beyond your hand by essentially ignoring it.
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