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To the second, that he should guard himself against all vices and avoid them: Quoniam in Animam malignam, non introibit Sapientia, nec habitabit in Corpore subdito peccatis, Lib. Sapient. C. 1. For wisdom will not enter into a malicious soul, nor will it dwell in a body subject to sins, Book of Wisdom, Chapter 1.
As Geber also says: Children of wickedness and malevolent depravity, flee from this science, for it is hostile and adverse to you, and it will place you in the misery of poverty, for this gift of God is entirely hidden from you and utterly denied by divine providence.
To the third, he should be humble and not seek this science to surpass others, or boast of possessions and riches; for they are not worthy of the name of Alchymistarum Alchemists who seek this science with the sole intention of satisfying their desires, and not for the glory of God, or the comfort of one's neighbor, or to relieve poverty.
To the fourth, he should have a Ingenium sublime Callidum, & valdè profundum a sublime, clever, and very profound intellect, so that he knows how to discern the truth from the