Its a substance that can quickly and reliably show you just how much your reality and perceptions are shaped by chemical processes. It gives you the ability to

Its a substance that can quickly and reliably show you just how much your reality and perceptions are shaped by chemical processes. It gives you the ability to play around with your perceptions and compare things that you thought were "objectively" real with a different perspective which you can have some control over. Put another way, it can give you a new way to look at the world, at abstract systems, at life, and purpose. The quickness that it achieves such shifts was mind-blowing for me - I feel that with meditation it is a long slow process of developing a sense of these things, such that you might put a much more spiritual meaning behind it rather than biological.