My brethren endured such heavy deluges, yet when was the flag of righteousness ever truly soaked?

This couplet speaks about the resilience of 'brethren' or fellow beings. It describes how they bravely faced numerous hardships and challenges, likening them to relentless downpours or storms. Despite enduring such trials, they remained steadfast. The verse suggests that their strength came from, or their efforts were directed towards, upholding the 'Dharma Dhaja' – the flag of righteousness or duty. It's a tribute to those who stand strong in adversity, fueled by their commitment to moral and ethical principles, and dedicated to the cause of truth and justice.