«ما من رجل يجرح في جسده جراحة فيتصدق بها إلا كفر الله عنه مثل ما تصدق»
The Prophet (peace and blessings be upon him) said:
"There is no man who suffers a wound in his body and then gives it in charity except that Allah removes from him sins equal to what he gave in charity."
Hadith Referenceصحیح الجامع الصغیر / حرف الميم / 5712