Answer:
Johannes Kepler was an astonomer during the renaissance.
Voting and serving in the military are voluntary personal responsibilities or rights in the United States. The United States has a voluntary military and therefore it is not required that citizens join or work in the military unless they voluntarily choose to do so. In addition, it is not compulsory that citizens vote and instead it is something that they voluntarily decide to do.
I think he meant that to be successful is to try without which implies that every time you wake up you do not think or wish about being successful it just happens without any second thought.
