You have a good job. The bills are paid. You can buy what you want. If you don't have satisfactory answers for these questions, they will gnaw at your heart, no matter what other trappings of success you achieve. Too much of nothing can make a man feel at ease.
Science claims to provide a system for finding out what is real.
The scientific method provides a very powerful tool for telling us how things work. Religions claim to answer these questions. Having an accurate map is crucial to getting where you need to go. Before the collapse of the Soviet Union, that government made a policy of printing inaccurate maps. They figured accurate maps would help invading armies.