[Link to Opensea] What are the conditions needed to live each day without worry? There are many different opinions on this, but I have concluded that there are two main conditions: Satisfaction with the present This means how satisfied you are with your current life, and how healthy your physical and mental state is. However, the more I think about it, the more it seems that my perception of the present is not independent of my perception of the future. I think that the present and the future are mutually complementary and influence each other. We should not forget that the concept of time is quite conceptual. Humans feel that time passes, but the concept of spacetime shows that time is a concept with coordinates similar to space. Expectation for the future This can be replaced with the word "hope." Hope is how optimistic your view of the future is. There is no long-term pessimistic hope (probably). As long as there is an expectation that things will get better in the futur...