Final answer:
The 9th stanza implies that a person aware of their own faults will tend to forgive the faults of others, demonstrating empathy and compassion.
Step-by-step explanation:
The 9th stanza suggests that a person who knows his own faults will more likely forgive the faults of others. Recognizing and being aware of one's own imperfections can lead to greater empathy and understanding towards other people's mistakes. This principle often appears in literature and poetry, as it is a reflection of human behavior and psychic processes that advocate for self-awareness and compassion.