If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.

If quantum mechanics hasn't profoundly shocked you, you haven't understood it yet.

The very nature of the quantum theory ... forces us to regard the space-time coordination and the claim of causality, the union of which characterizes the classical theories, as complementary but exclusive features of the description, symbolizing the idealization of observation and description, respectively.

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

Every sentence I utter must be understood not as an affirmation, but as a question

Every sentence I utter must be understood not as an affirmation, but as a question.