The Prophet (ﷺ) said, "Allah does not accept prayer of anyone of you if he does Hadath (passes wind) till he performs the ablution (anew).
Sahih al-Bukhari Book 90, Hadith 2
← Previous Hadith The Prophet (ﷺ) said, 'O people! The reward of deeds depends upon the intentions, and every person will get the reward according to what he has intended. So, whoever emigrated for Allah and His Apostle, then his emigration was for Allah and His Apostle, and whoever emigrated to take worldly benefit or for a woman to marry, then his emigration was for what he emigrated for."

Sahih al-Bukhari Book 90, Hadith 1 Next Hadith → That Abu Bakr wrote for him, Zakat regulations which Allah's Messenger (ﷺ) had made compulsory, and wrote that one should neither collect various portions (of the property) nor divide the property into various portions in order to avoid paying Zakat.

Sahih al-Bukhari Book 90, Hadith 3