"When the Messenger of Allah , I will fight them for withholding it.' 'Umar, may Allah be pleased with him, said: 'By Allah, as soon as I realized that Allah has expanded the chest of Abu Bakr for fighting, I knew that it was the truth.'"
Sunan an-Nasa'i Book 37, Hadith 5
← Previous Hadith "When the Messenger of Allah , I will fight them for it.' 'Umar said: 'By Allah, as soon as I realized how certain Abu Bakr was, I knew that it was the truth.'"

Sunan an-Nasa'i Book 37, Hadith 4 Next Hadith → "The Messenger of Allah say such and such?' He said: 'By Allah, I do not separate Salah and Zakah, and I will fight whoever separates them.' So we fought alongside him, and we realized that that was the right thing."

Sunan an-Nasa'i Book 37, Hadith 6