Quote from A Course in Miracles Text Chapter 5, Section 1 - Introduction.

To be wholehearted you must be happy. If fear and love cannot coexist, and if it is impossible to be wholly fearful and remain alive, the only possible whole state is that of love. There is no difference between love and joy. Therefore, the only possible whole state is the wholly joyous. To heal or to make joyous is therefore the same as to integrate and to make one. That is why it makes no difference to what part or by what part of the Sonship the healing is offered. Every part benefits, and benefits equally.

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