We seem to do little more than lurch between wanting and not wanting. Thus, the question naturally arises: Is there more to life than this? Might it … - Sam Harris

Of course, there can be clear indications that a teacher is not worth paying attention to. A history as a fabulist or a con artist should be considered fatal; thus, the spiritual opinions of Joseph Smith, Gurdjieff, and L. Ron Hubbard can be safely ignored. A fetish for numbers is also an ominous sign. Math is magical, but math approached like magic is just superstition — and numerology is where the intellect goes to die. Prophecy is also a very strong indication of chicanery or madness on the part of a teacher, and of stupidity among his students. One can extrapolate from scientific data or technological trends (climate models, Moore’s law), but most detailed predictions about the future lead to embarrassment right on schedule.

When you find another person annoying, sexually attractive, or inadvertently funny, you are experiencing the percolations of System 1. The heroic efforts you make to conceal these feelings out of politeness are the work of System 2.

Forces of digestion and metabolism are at work within me that are utterly beyond my perception or control. Most of my internal organs may as well not exist for all I know of them directly, and yet I can be reasonably certain that I have them, arranged much as any medical textbook would suggest. The taste of the coffee, my satisfaction at its flavor, the feeling of the warm cup in my hand — while these are immediate facts with which I am acquainted, they reach back into a dark wilderness of facts that I will never come to know... Where am I, that I have such a poor view of things? And what sort of thing am I that both my outside and my inside are so obscure?