When the task at hand requires some imagination, taking a walk may lead to more creative thinking than sitting.
Wishing will not bring riches. But desiring riches with a state of mind that becomes an obsession, then planning definite ways and means to acquire riches, and backing those plans with persistence which does not recognize failure, will bring riches.
Fifty years ago, an old country doctor drove to town, hitched his horse, quietly slipped into a drug store by the back door. His mission was destined to bring to the South the most far-flung benefit since the Civil War.
It's not just in movies where nerds get their revenge.