Sayyiduna Ibn Umar (may Allah be pleased with them both) reports that the Messenger of Allah (peace and blessings be upon him) said: "Leave that which causes you doubt for that which does not cause you doubt." And he mentioned it concisely.
Hadith Referenceمسند الشهاب / 645
Hadith Gradingمحدثین:إسناده حسن
Hadith Takhrij«إسناده حسن ، وأخرجه الطبراني فى «الصغير» برقم: 32، 284»