Tirukkural 374: Acquisition of Wealth and Knowledge

There are (through fate) two different natures in the world, hence the difference (observable in men) in (their acquisition of) wealth, and in their attainment of knowledge.

Image of Satguru Sivaya Subramuniyaswami
Living in the future overactivates the intellect, the emotion and the desires. The future is little more than another form of mental fantasy. Past and future are equally unreal and a hindrance to spiritual unfoldment.