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Ὠς χαρίεν ἔστʹ ἄνθρωπος, ὅταν ἄνθρωπος ᾗ → What a fine thing a human is, when truly human!
substĭtūtĭo: ōnis, f. substituo, II..I In gen., a putting in the place of another, substitution, Arn. 3, p. 104.—II In partic., in jurid. lang., the appointment of a second or alternate heir, Gai. Inst. 2, § 174 sq.; Dig. 28, tit. 6.