The discussion centers on the philosophical question of whether humanity can achieve complete knowledge and control over the world, leading to a state where nothing new remains to be discovered. The conversation explores the implications of two conditions: having complete knowledge and control (A) and the existence of new knowledge to be uncovered (B). The participants analyze various scenarios based on the truth values of A and B, concluding that if both A and B are true, it is possible to reach this state. However, if A is true and B is false, it becomes impossible to know everything while still having new knowledge. Conversely, if A is false and B is true, humanity may not have complete knowledge but could reach a limit of what can be known. The discussion ultimately reflects on the complexities of knowledge and the potential boundaries of human understanding.