Future-mindedness is the tendency to weigh long-term consequences seriously when making a present decision, rather than being pulled entirely by whatever feels most urgent right now. It sounds like a personality trait, but most researchers who study it treat it as a stance that can be practised and strengthened over time.
One reliable exercise involves deliberately picturing a specific future version of yourself affected by today's decision, rather than a vague, abstract idea of the future in general. A concrete image tends to carry more weight in the moment than an abstract principle about planning ahead ever manages to on its own.
Built as a habit, future-mindedness tends to make small, unglamorous decisions, saving a little, maintaining something before it breaks, easier to justify in the moment, since the future they are protecting has been made vivid enough to actually matter today rather than staying a distant abstraction. Practised often enough, it becomes less a special exercise and more a quiet, background habit that colours ordinary daily choices without much conscious effort.