Riyad as-SalihinChapter 16Hadith 831
Full Sharh — Riyad as-Salihin 831
وعن ابن عمر رضي الله عنهما قال: ما سمعت عمر رضي الله عنه يقول لشيء قط: إني لأظنه كذا إلا كان كما يظن. ((رواه البخاري))
English Translation
Ibn 'Umar (May Allah be pleased with them) reported:: I never heard 'Umar (May Allah be pleased with him) relating anything that he conceived it to be so-and-so, but that it proved to be as he had conceived it.".
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Du'a (Supplications)
Hadith Number
831