Yahya bin 'Abdullah bin Bukayr يحيى بن عبد الله بن بكير · The Chapters on Charity

“A man came to ask the Prophet of Allah (ﷺ) for some debt or some right, and he spoke harshly to him, and the Companions of the Messenger of Allah (ﷺ) wanted to rebuke him. But the Messenger of Allah (ﷺ) said: 'Let him be, for the one who is owed something has authority over the debtor, until it is paid off.' ”