Foreword

When there are three of you, one should not be left out while the other two share a secret, for this will cause him grief. HADITH OF AHMAD IBN HANBAL ON THE AUTHORITY OF ‘ABDULLAH IBN ‘UMAR. 139 Whosoever of you sees an evil action, let him change it with his hand; and if he is not able to do so, then with his tongue; and if he is not able to do so, then with his heart, for that is the minimum that is desirable from a believer. HADITH OF AN-NASA’I ON THE AUTHORITY OF ABU SA’ID AL-KHUDRI.