Summary
This quote suggests that the speaker has a strong belief in the self-assuredness of foolish individuals. Referring to it as "great faith," it implies that the speaker sees value in the unwavering confidence demonstrated by such individuals, even though their actions may appear foolish to others. The reference to friends calling it implies that this perception might not be universally accepted, indicating a certain level of subjectivity in recognizing the positive aspects of self-confidence, even in the face of potential foolishness.