Absolutely this, from a personal experience. (Throwaway since a decent amount of people know who I am here.) I smoked a sizable amount (~4x my usual amount to get high) of marijuana one night with friends. They later reported me as simply staring into space, looking around, and saying random words from other languages. However, I was having one of the most incredibly profound, enlightened moments in my life, getting closer to understanding the basic questions behind life and what it is.