19.

Each of us, through experience or study, has built up useful knowledge on certain areas of the world. Some areas are understood by most of us, while some areas require a lot more specialty to evaluate. 

It is important to honestly define what we know and stick to those areas. 

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Imagine your life as four spokes in a wheel:

1. Self: attending to the personal needs of rest and physical exercise, nutrition, relaxation, and spiritual practices.
2. Relationships: spending time and nurturing relationships with significant loved...

An intriguing opening line matched with a melodious hook or chorus, preferably with an intro that is not longer than 30 seconds, creates the right impact on the listener.

One can listen and relisten to their favourite songs, noticing how the first words (and the accompanying tunes) make an...