This statement reflects that sorrow and suffering are endless and evenly distributed worldwide. It suggests that for every person who experiences a moment of relief or happiness, there is someone else somewhere who is beginning to suffer. This notion challenges the hope for a better future and implies that humanity is trapped in a never-ending cycle of pain and despair. Furthermore, this quote highlights the theme of futility throughout the play. Vladimir and his companion, Estragon, are waiting for someone named Godot, whose arrival they believe will bring meaning and purpose to their lives.

However, as they wait in vain day after day, the futility of their existence becomes increasingly clear. The idea that tears are a stable quantity supports the notion that waiting for salvation or change is futile as suffering continues. In a broader sense, Beckett's words can be seen as a commentary on the human condition. The world is filled with moments of joy and suffering, and these experiences are interconnected and inescapable. It invites reflection on the inherent absurdity and unpredictability of life.

In conclusion, this line from "Waiting for Godot" speaks to the cyclical nature of human suffering, the futility of waiting for salvation, and the broader existential questions about the human condition. Beckett's play is a masterful exploration of these themes, and this quote encapsulates one of its central messages.