The Messenger of Allah said: "Whoever seizes the wealth of a Muslim unlawfully by means of his (false) oath, Allah makes the Fire required for him, Paradise unlawful for him." A man said to him: "O Messenger of Allah, even if it is something small?" He said: "Even if it is a twig of an Arak tree."
Sunan an-Nasa'i Book 49, Hadith 41
← Previous Hadith "A man among the Ansar stated that his salve was to be set free after he died; he was in need, and he owed a debt. The Messenger of Allah sold him (the slave) for eight hundred Dirhams, and he gave (the money) to him and said: 'Pay off your debt and spend on your dependents.'"

Sunan an-Nasa'i Book 49, Hadith 40 Next Hadith → "Hind came to the Messenger of Allah and said : 'O Messenger of Allah, Abu Sufyan is a stingy man who does not spend enough on my child and I. Can I take from his wealth without him realizing?' He said: 'Take what is sufficient for you and your child on a reasonable basis.'"

Sunan an-Nasa'i Book 49, Hadith 42