You shall know… and take to heart (4:39)

For many years Rabbi Sholom DovBer of Lubavitch suffered from ill health, compelling him to undertake many trips to various European healing centers to consult with medical specialists.

On one such occasion, a professor-physician who had examined and interviewed the Rebbe categorized his ailment in the following manner: the heart craves something that is beyond the capacity of the mind, and the mind understands more than the heart can bear…