A man from among those who were before you was called to account. Nothing in the way of good was found for him except that he used to have dealings with people and, being well-to-do, he would order his servants to let off the man in straitened circumstances [from repaying his debt]. He (the Prophet :saw: ) said that Allah said: We are worthier than you of that (of being so generous). Let him off.
It was related by Muslim (also by al-Bukhari and an-Nasa’i).
O son of Adam, so long as you call upon Me and ask of Me, I shall forgive you for what you have done, and I shall not mind. O son of Adam, were your sins to reach the clouds of the sky and were you then to ask forgiveness of Me, I would forgive you. O son of Adam, were you to come to Me with sins nearly as great as the earth and were you then to face Me, ascribing no partner to Me, I would bring you forgiveness nearly as great at it.
It was related by at-Tirmidhi (also by Ahmad ibn Hanbal). Its Isnad (chain of authorities) is sound.
Reference:
Text copied from Al-Nasir's Hadith Qudsi Software v1.0, www.DivineIslam.com