But ultimately what I was impressed by during my years in government was how much the intellectual climate and the prevailing intellectual notions constrained and represented the universe within which the discourse took place.

Meaning of the quote

During his time working for the government, Lawrence Summers noticed that the way people thought and talked about ideas often limited the discussions. The common beliefs and ways of thinking in that environment shaped the topics and opinions that were considered acceptable. This meant the real range of possibilities was not fully explored.

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