Add spaces between the words in the following text: ItisfiftyyearssincethefirsteditionofMauriceKendall'sVolume1appeared,soitisfittingthataneweditionseesamajorrestructuringofTheadvancedtheorythat,wehope,remainstruetohistwogoalsofpresentinga'systematictreatmentof(statistical)theoryasitexistsatthepresenttime'andkeepingthevolumesfirstandforemostasatreatmentof'statistics,notstatisticalmathematics'.
It is fifty years since the first edition of Maurice Kendall's Volume 1 appeared, so it is fitting that a new edition sees a major restructuring of The advanced theory that, we hope, remains true to his two goals of presenting a 'systematic treatment of (statistical) theory as it exists at the present time' and keeping the volumes first and foremost as a treatment of 'statistics, not statistical mathematics'.