In life it is important to do one thing only. The spread of knowledge is vast, and human being in one life time can at best become expert of one thing or two. One may have potential to do many things, and one may be interested in doing many different things. And one may try doing many different things, and even one can be successful in such endeavours to some extent. However by taking up many different adventures in life, one is only frittering away ones energy and the potential to excel. If we see the history of human existence, hardly if anyone is known for doing many differnt things. And even if one is known to be doing many different things, hardly if such a person has really succeeded in so many different endeavours.
The strategy of life is focus. We all know how a convex lens by focussing all the energies at one point gathers so much energy so as to gain the potential to ignite things. This power of nature, is true even for the individuals.
If one wishes to leave ones mark on the sands of time, such can happen when one sticks to one pursuit and with unwavering dedication excels in that pursuit.
In our times, there may be many different things that may be demanding our attention. We must exercise our discretion and try to find out what is our core competence. Individuals who focus on their core competence succeed. Core competence is not something of a inherent quality, but really depends on the circumstances and interests and to a limited extent on abilities. However, for a vast majority of successful people it is interest and hard work in pursuit of one thing only that have made them successful.
To put it in a lucid manner - one can have all the glory and wealth if one runs just 100 meters race, the only condition is that s/he has to be fastest - faster than any other who runs those 100 meters.
The role of abilities would come in a very small area where someone is naturally gifted, and thereby in some ways limited by such abilities would prefer to choose such line or profession. An example can be of the singers or musicians. We see that there are many persons around us who seem to have a natural gift for music or song. However in real terms in such sectors of economy only a few people have actually succeeded to leave their marks. It is this miniscule people who have actually put hard work with dedication and have been focussed on their endeavour. Others have not been focussed enough.
A large number of human beings prefer to remain average in life. The reason is that they prefer to be small boats in a vast ocean. If one takes up many different endeavours in life, one would be making many small boats that would just wipe off in a huge deluge. It is only those who work on one thing only, who are able to stand like a huge ship and no storm is able to rock such ships. It is they who really excel.
One can correct the direction of ones life any moment one decides to do it. Just do it is the mantra. But do it focussed and with dedication.