Sayyiduna Jabir (may Allah be pleased with him) says that the Messenger of Allah (peace and blessings be upon him) said: "Leave people to their affairs; Allah gives some of them provision through others. And when your brother seeks sincere counsel, let him be given sincere counsel."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب البيوع / 10910