'Look not back behind thee,' as in Genesis 19:17, means that Lot, who represents the good of charity, should not look to matters of doctrine. 'To look up,' is to look to celestial things. In Genesis 18:22, looking signifies thinking because seeing denotes understanding.

(References: Arcana Coelestia 2245)

4707. ‘In Shechem’: quod significet prima rudimenta, constat ex significatione ‘Shechemi’ quod sit verum ex Antiqua Divina stirpe, de qua n. 4399, 4454, et quod sit doctrina, n. 4472, 4473; hic prima ¹ rudimenta nempe doctrinae de fide; se enim habet praedicatio ² nominis praedicate ad rem in sua serie; prima rudimenta sunt etiam communia doctrinalium, ³ communia sunt quae primum recipiuntur, specialia dein sequuntur.

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