Those who are not shocked when they first come across quantum theory cannot possibly have understood it.

Summary

This quote suggests that the concept of quantum theory is inherently shocking and difficult to comprehend. It implies that if someone claims to fully grasp and accept quantum theory without feeling a sense of astonishment or bewilderment upon initial encounter, they likely have not truly comprehended its profound implications and complexities. Quantum theory challenges traditional notions of reality and defies classical logic, making it a subject of great intrigue and difficulty in understanding.

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