Kitāb al-Ghayba > Miracles of the Master of the time during his Occultation
Hadith #1

وأما ظهور المعجزات الدالة على صحة إمامته في زمان الغيبة فهي أكثر من أن تحصى غير أنا نذكر طرفا منها:

With regard to the display of miracles from His Eminence, the Master of the Age (a.s) during occultation, which prove his Imamate are numerous to the limit that they cannot be computed. However, we will mention only a few of them here.