The 3 currencies in life

1. Time: It is a commodity given to every living being, no one has excess or little of it. But it depends on the usage.
2. Knowledge: learning does not only happen in classroom but on everyday life.
3. Money: it answers all things that pertains to living.

At any given point in your life, you will have at least two of those currencies, and whatever it is you are missing. Use the those two to acquire it.