In general, the Israelites were not in a joyous mood. The strength of men is readily exhausted, mentally and physically, by the strain of a sudden change from slavery to freedom. They did not recover vigor and force until they heard the angel hosts sing songs of praise and joy over the redemption of Israel and the redemption of the Shekinah, for so long as the chosen people is in exile, the Shekinah, who dwells among Israel, is also, as it were, in exile. At the same time, God caused the earth to exhale and send aloft a healing fragrance, which cured them of all their diseases.