Answer:
There are six active voice sentences and one passive voice sentence in this paragraph. Here are the active and passive voice sentences:
Active:
The best earning of life is staying healthy.
Staying healthy means being physically, mentally and socially fit and stable.
Suppose one knows how to have control over his health, then he knows how to lead a successful life.
If a person is healthy, he will always be ready to work and be productive at work.
If one wants to lead a healthy life, he must eat well and maintain the sleep cycle.
One can stay fit by exercising daily and maintaining a proper timetable for everything.
Passive:
Keeping a healthy life will definitely encourage you towards a wealthy life.