Reference for Nedarim 60:1

ההולכים מעכו ליפו דהלין יושבי יבשה נינהו אלא ממי שדרכן לפרש

TRAVEL FROM ACCO TO JAFFA, as these are land-dwellers, BUT THOSE WHO SAIL AWAY GREAT DISTANCES [FROM LAND]. He who referred it to the second clause learnt thus: [IF ONE VOWS NOT TO BENEFIT] FROM LAND-DWELLERS, HE MAY NOT BENEFIT FROM SEAFARERS; [this applies] NOT ONLY TO THOSE WHO TRAVEL MERELY FROM ACCO TO JAFFA. BUT EVEN TO THOSE WHO TRAVEL GREAT DISTANCES, since they eventually land.

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