Dodie Smith's novel "I Capture the Castle" explores themes of love and trust through the experiences of the protagonist. The quote "If you love people, you take them on trust" encapsulates the essence of relationships, highlighting that genuine affection involves believing in others without reservation. This idea resonates throughout the narrative, as characters navigate their emotions and connections.

The book delves into the complexities of human interactions, illustrating how trust is a fundamental element in love. As the characters face challenges and revelations, the necessity of trusting those we love becomes a recurring motif, reminding readers of the vulnerability and strength that come with accepting others wholeheartedly.