"I hope the tournament will help me to get the feeling I need to add week after week after a long period without competition ... results are the least important thing right now, " said Nadal, who last week launched a smartphone app that teaches tennis skills.

CNN: Nadal: I must be humble in comeback

The two elements are equally important, for action without innovation will not yield the results we want and innovation without action is nothing more than fanciful ideas.

FORBES: Student Innovators Save the World: Part 2