“We are now to consider the effects which Mercury produces upon us in the world below, for which honor and blame are given to the planet; for as Albumasar says in the introduction to his seventh treatise, ninth division, where he treats of the nature of the planets and of their properties, Mercury signifies these twenty-two things among others, namely, desire of knowledge and of seeing secret things; interpretation of the Deity, of oracles and prophecies; foreknowledge of things future; knowledge and profundity of knowledge in profound books; study of wisdom; memory of stories and tales; eloquence with polish of language; subtlety of genius; desire of lordship; appetite of praise and fame; color and subtlety of speech; subtlety of genius in everything to which man betakes himself; desire of perfection; cunning of hand in all arts; practice of trade; selling, buying, giving,