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The heart becomes wide by forgetting self, but narrow by thinking of the self and pitying one's self. To gain a wide and broad heart you must have something before you to look upon, and to rest your intelligence upon - and that something is the God-ideal.

Hazrat Inayat Khan (1974). “The Sufi Message of Hazrat Inayat Khan: The Vision of God and Man, Confessions, Four Plays”, p.144, Library of Alexandria
The heart becomes wide by forgetting self, but narrow by thinking of the self and pitying one's self. To gain a wide and broad heart you must have something before you to look upon, and to rest your intelligence upon -