This eye has climbed the tower to behold the entire world; you will no longer be able to bind a bandage upon it.

This couplet beautifully explains that once your inner vision has awakened and climbed to a higher place, like a tower, to observe and understand the entire world, it can never be obscured again. It means that when you gain true insight and see the truth clearly, no one can ever blindfold that awakened sight. You cannot be misled or kept in darkness once you've experienced such profound clarity. This vision, having seen the whole world, becomes unshakeable and free from any attempts to hide the truth. It's about an irreversible spiritual or intellectual awakening.