The Rebbe teaches God deals in three ways – the first is called Nisias Chein – this is like a parent who feeling a sweetness from their child, unconditionally gives – the second is Isarusah Dilatateh – this is like to Abraham that his Divine love elicited a recipricul – however the third is a combination of the two, that on one hand a person makes an effort – and standing now after literally 3,333 years of Jews keeping Torah and Mitzvos, goodness and kindness, so the result, like a person told to dig and the most extraordinary treasure is revealed – is the infinite