I believe there are always 2 phases in one's life ... the exploratory phase and the focus stage, as you put so well. Both need to take place alternatively in a continued fashion for the continued growth of that individial. If any one stops, then the individual stops growing / learning.
I really detest the use of the word "training" in relation to professional activities. Training is what you do to dogs. What you should be doing with people is educating them, not training them. There is a big, big difference ...
Information is not knowledge.
It's not that I'm so smart, it's just that I stay with problems longer.
Computer science is no more about computers than astronomy is about telescopes.
Dennie L. van Tassel
I really hate this damned machine;
I wish that they would sell it.
It never does quite what I want
But only what I tell it.