Human progress is neither automatic nor inevitable.
– Martin Luther King, Jr.
Life is controlled by many issues, as shown in the diagram. These issues are related to each other. But it is quite impossible to define life as a simple universal equation.
Life is result of combination of these issues with different weightage accordingly. No two persons are alike and thus the equation of life also differes from person to person.
From now on, I will try to express my thoughts about each of them.