Summary
This humorous quote suggests that change is a natural and unavoidable part of life, except when it comes to a vending machine where only physical coins or bills can result in the desired outcome of receiving an item. It highlights the idea that while many aspects of life may be subject to constant change, certain systems or situations may remain static, and the desired result can only be obtained by adhering to specific conditions. Overall, the quote emphasizes the unpredictability and constant flux of life contrasted with the immutability of certain processes or situations.