This law is simple yet profoundly powerful. It states that for every effect, there is a specific cause. Similarly, for every cause, there is a specific effect. It's a universal law validated time and time again through history, science, and human achievement.
Many great thinkers and scientists have built upon this law. Sir Isaac Newton, in his third law of motion, stated, "For every action, there is an equal and opposite reaction." The great philosopher Aristotle spoke of causality as the fundamental cornerstone of rational thinking. More recently, successful entrepreneurs like Warren Buffet attribute their success to understanding cause and effect, often citing it as "risk and reward" but its all the same things just worded differently.
For instance, investing in your skills (cause) will yield mastery and financial gain (effect). Networking with the right people (cause) will offer opportunities and partnerships (effect). The list goes on, but the principle remains the same.