No secret have I kept, O Moon, harbor no doubt.

This beautiful line, addressing the moon, expresses complete honesty and transparency. The speaker reassures the moon, saying they've harbored no illusions or hidden anything whatsoever. They earnestly ask the moon not to entertain any suspicion or doubt about their intentions or feelings. It's a heartfelt plea for trust, emphasizing an open and clear relationship, free from any deception. It gently asks the listener, symbolized by the moon, to trust completely.