The Torah, “Exodus” 34:27 – 34:28: The Lord said to Moses: Inscribe these words for yourself, for according to these words I have formed a covenant with you and with Israel. He was there with the Lord for forty days and forty nights; he ate no bread and drank no water, and He inscribed upon the tablets the words of the Covenant, the Ten Commandments. (Exodus 34:27 – 28)
This speaks about the ascent of Malchut to Bina.
“Forty” is a stage in which a person goes completely out of his egoistic state, rises above it in forty steps (the level of Bina, bestowal) and achieves the characteristic of “Moses.”
The Torah gives a person the method for his elevation to the level of “Adam” where he is released from all of his egoistic characteristics. But this doesn’t mean that he becomes an ascetic, fasts, stops being involved in regular things, stops working, and has no family, no! Simply within himself he only begins to go deeper into an intention for the sake of bestowal.
In everything else he manages a normal way of life: He works, takes care of his family, and communicates with the whole world. But all of this is now built only in the direction of approaching the characteristic of bestowal.
All the necessities remain, and everything that is unnecessary is gradually sifted out and the person moves on by rising to a level where one pure intention remains for him—to reach the characteristic of bestowal, which is called “ascent in forty steps.”
“…forty days and forty nights; he did neither eat bread, nor drink water,” this signifies that the person is only involved with bestowal and attains it when he already enters into contact with the Creator on the level of Bina.
From KabTV’s “Secrets of the Eternal Book” 9/30/13