It requires mining to get the treasure. In the oil business for instance, exploration, drilling, and completion have to be done before getting the first drop of oil (Treasure). These are all efforts done to get that drop and sometimes explorers end up getting nothing. It is really rare to find such treasures without “drilling”.
There is not a big difference between career or personal experiences as both resemble exploratory journeys to discover the sources of treasures. One would need to mine in his/her own “mind” for treasures too; and that takes time and effort.