"How I Know God Answers Prayer: The Personal Testimony of One Life-Time" by Rosalind Goforth is a spiritual memoir written in the early 20th century. The book captures Goforth's personal experiences as a missionary in China, emphasizing how faith and prayer have been instrumental in her life and work. Through her reflections, she addresses the power of petitioning God and shares testimonies of answered prayers during her ministry. The opening of the memoir sets the tone for Goforth's exploration of faith, articulating her conviction that prayer is a natural and deeply personal way to connect with God. In her foreword, she explains the motivation behind her writing – a desire to share the collective evidence of her lifetime of answered prayer in response to doubts from others regarding God's responsiveness. She moves into recounting early lessons from her childhood about the importance of prayer and the profound impact it has had on her life, including her experiences of divine intervention in times of need. Goforth's heartfelt narratives illustrate a journey filled with challenges and miracles, establishing an earnest invitation for readers to consider the significance of prayer in their own lives. (This is an automatically generated summary.)