Humans are the only animals that try to dwell in the future. You don't have to purely live in the present situation without a plan, but the future plans you make can only be based on the aspects of the future that manifest within the present situation.
Chogyam Trungpa (2008). “Ocean of Dharma: The Everyday Wisdom of Chogyam Trungpa”, p.132, Shambhala Publications
