I have subdued my proud mind, making it helpless, and by doing so, I have fully sided with life.

This couplet speaks about a profound journey of self-realization. The poet says, 'I have subdued my proud ego and embraced a state of humility.' This isn't weakness, but a conscious choice to let go of self-importance. By doing so, they declare, 'O life, I have chosen to be on your side.' It means that by overcoming their inner pride and stubbornness, they've become completely open to life's flow. They've stopped resisting and started embracing life as it comes, aligning themselves with its true nature. It's a beautiful message of finding strength and freedom in surrender and acceptance, rather than fighting with an arrogant mind.