Ishaq bin 'Abdullah bin Abi Talha إسحاق بن عبد الله بن أبي طلحة · The Book of Jihad

"Allah, the Mighty and Sublime, likes it when there are two men, one of whom killed the other, then they both enter Paradise." And another time he said: "He laughs at two men, one of whom killed the other, then they both entered Paradise."