can humans think?

(…) The Chinese room experiment serves as a metaphor not only for physics but also for the human condition. Each of us sits alone within the cell of our subjective awareness. Now and then we receive cryptic messages from the outside world. Only dimly comprehending what we are doing, we compose responses, which we slip under the door. In this way, we manage to survive, even though we never really know what the hell is happening.

— John Horgan, Quantum Mechanics, the Chinese Room Experiment and the Limits of Understanding

More slipped under the door responses here: