The life of St Gertrude which is here given to the public is proof, were proof needed, of this commonplace of spiritual writers. That a nun vowed to the humility of the cloistered life should have been chosen by our Lord as the instrument whereby He would reveal to the world the mystery, till then hidden, of the love of His Sacred Heart for men, is but one of many such mysterious events of which the lives of so many of the Saints are full. Her own sweet unworldly character, her simplicity, her quiet uneventful life, so uneventful, that is to say, in stirring incident or dramatic interest, but...