We used to say that the warriors of Badr were over three-hundred-and-ten, as many as the Companions of Saul who crossed the river with him; and none crossed the river with him but a believer.
Sahih al-Bukhari Book 64, Hadith 11
← Previous Hadith We, the Companions of Muhammad used to say that the number of the warriors of Badr was the same as the number of Saul's companions who crossed the river (of Jordan) with him, and none crossed the river with him but a believer, and the were over three-hundred-and-ten men.

Sahih al-Bukhari Book 64, Hadith 10 Next Hadith → The Prophet (ﷺ) faced the Ka`ba and invoked evil on some people of Quraish, on Shaiba bin Rabi`a, `Utba bin Rabi`a, Al-Walid bin `Utba and Abu Jahl bin Hisham. I bear witness, by Allah, that I saw them all dead, putrefied by the sun as that day was a very hot day.

Sahih al-Bukhari Book 64, Hadith 12