U.S. President Richard Nixon, Chinese Premier Chou En Lai and First lady Pat Nixon enjoy a banquet in China.

President Nixon offers a traditional toast, quoting Mazi Tang and Chairman Mao. He emphasizes the urgency of action and the importance of seizing the moment, highlighting the passage of time and the need to act decisively.

What does 'Seize the day' imply in the context of the toast?

What emotions or themes are conveyed in the phrase 'This is the day'?