Shekel
'A shekel' signifies the price or estimation of good and truth, and 'half a shekel' signifies the determination of the quantity thereof.
(References: Arcana Coelestia 3104)
John 14:10-11
10
Believest thou not that I am in the Father, and the Father in me? the words that I speak unto you I speak not of myself: but the Father that dwelleth in me, he doeth the works.
11
Believe me that I am in the Father, and the Father in me: or else Believe me for the very works' sake.
