Final answer:
In Gifted Hands: The Ben Carson Story, Mrs. Penn reminds Carson to remember his mother's words about trusting the Lord.
Step-by-step explanation:
In Gifted Hands: The Ben Carson Story, the person who reminded Carson to remember his mother's words about trusting the Lord is Mrs. Penn. She serves as a guiding figure in Carson's life, offering him advice and support. Her strong faith in God inspires Carson to hold onto his beliefs and remain steadfast in his pursuit of success.