(meditations "We shall contemplate truth by testing reality, via equality" (= __ true) "To understand reality, we must compare our expectations against reality" (= __ (+ 1 1)) "You can test equality of many things" (= (+ 3 4) 7 (+ 2 __)) "Some things may appear different, but be the same" (= __ (= 2 2/1)) "You cannot generally float to heavens of integers" (= __ (= 2 2.0)) "But a looser equality is also possible" (= __ (== 2.0 2)) "Something is not equal to nothing" (= __ (not (= 1 nil))) "Strings, and keywords, and symbols: oh my!" (= __ (= "foo" :foo 'foo)) "Make a keyword with your keyboard" (= :foo (keyword __)) "Symbolism is all around us" (= 'foo (symbol __)) "When things cannot be equal, they must be different" (not= :fill-in-the-blank __))