Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) narrates this statement of the Noble Prophet (peace and blessings be upon him): "The best companions are four individuals. The best small expedition consists of four hundred people, and the best army consists of four thousand people, and twelve thousand people are not overcome due to being few in number."
Hadith Referenceصحیح ابن حبان / كتاب السير / 4717
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيضعيف - «الصحيحة» (986 - الطبعة الجديدة).فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده صحيح على شرط الشيخين