Bible Verses About Selfishness: Nabal

Now the name of the man was Nabal: and the name of his wife was Abigail. And she was a prudent and very comely woman: but her husband was churlish, and very bad and ill natured: and he was of the house of Caleb.

Shall I then take my bread, and my water, and the flesh of my cattle, which I have killed for my shearers, and give to men whom I know not whence they are?