In this couplet, Allama Iqbal expresses a message of hope and potential. The 'barren field' symbolizes a situation that seems desolate or unproductive, much like the challenges faced by the Muslim community in the Indian subcontinent during his time. Iqbal suggests that with just a little effort or 'moisture', even the most unpromising circumstances can become fertile and productive. The 'cupbearer' (Saqi) is a traditional figure in Persian and Urdu poetry, often symbolizing the divine or spiritual inspiration. Thus, Iqbal is urging for a small but significant change that can lead to great growth and prosperity. This reflects his broader philosophical and political vision for the rejuvenation of the Muslim world.