hito wa nanika no gisei nashi ni, nani mo eru koto wa dekinai. nanika wo eru tame ni wa, doutou no daika ga hitsuyou ni naru. sore ga, renkinjutsu ni okeru "toukakoukan" no gensoku da. sono koro, bokura wa sore ga sekai no shinjitsu da to shinjiteita.
Humankind can not get anything without first giving something in return. To obtain, something of equal value must be lost. That is Alchemy's first law of equlivant exchange. In those days, we really believed that to be the world’s one and only truth.