What is intelligence? What about the nature of knowledge or reality? How does our consciousness work? These are all questions that have been tantalizing philosophers and thinkers ever since the beginning of questioning itself. The latter is more than understandable because how could we know anything at all, if we don't understand ourselves beforehand? Moreover, after millennia of civilization, it seems that we haven't resolved an iota of the above-mentioned problems. Yet, we human beings haven't stopped searching for answers. We had invented many theories, instruments, and even machines that tried to explain the inexplicable. The hypotheses are uncountable. We won't try to outline even a few of them since it will take ages. Nevertheless, below you can enjoy three thought experiments that will dive you into the heart of this everlasting philosophical darkness – a mind that is trying to explain what the mind is.