The article explores the concept of time. Time is the most expensive resource we have. It is irreversible and non-renewable. Time is changing the relationship between a good and a bad scenario of climate change, the outcome of the competition for energy sources, the results of economic development, poverty and security. The article gives a diverse definition of time, emphasizes the need for an expanded interpretation of it, considers the limitations of the time factor and provides parameters for a more adaptive approach to this resource. The article argues that the resources of time are needed to prevent violence, build sustainable security and well-being for all. To do this, it is important to master the art of time management.