It wasnarrated from 'Abdullah bin Shikhkhir that his father said:
"TheProphet (ﷺ) said: 'Whoever fasts continually, he neither fastsnor breaks his fast.'" (IT)
English reference (IT): Vol. 1, Book 7, Hadith 1705 (IT)
Arabic reference (IT): Book 7, Hadith 1775 (IT)