
“The thing we tell of can never be found by seeking, yet only seekers find it.”
Quoted in James Fadiman and Robert Frager, eds., Essential Sufism (Castle Books, 1998, ISBN 0-7858-0906-6, p. 37.
Quoted earlier in " Translations of Eastern Poetry and Prose https://archive.org/stream/translationsofea00nich#page/140/mode/2up/search/impossible" by RA Nicholson (p.140) (Macmillan, 1922)