Both exoteric and esoteric Buddhism teach the original Dharma-nature and innate self-nature. Druze do not believe that the esoteric meaning abrogates or necessarily abolishes the exoteric one. The eternal prophetic reality has two aspects&colon; exoteric and esoteric. Longchenpa was a critical link in the exoteric and esoteric transmission of the Dzogchen teachings. Alchemists toiled to make transformations on an esoteric (spiritual) and/or exoteric (practical) level. Humor of mathematicians may be classified into the esoteric and exoteric categories. List had established exoteric and esoteric circles in his organisation. We may define these courses by the terms esoteric and exoteric. "Monday"'s exoteric colour is bright green; its esoteric colours are opal and silver . This, again, has an esoteric and an exoteric meaning. Saturday is Lucifer's day; its exoteric colour is black . Schmitt acknowledges this view but addresses as "exoteric". There are two forms that Pythagoras taught, Exoteric and Esoteric. He never appeared face to face to his students in the exoteric courses. The focus of Pythagoras in his Exoteric teachings were ethical teachings.