"Work Hard in Silence" implies that dedication and diligence should be the primary focus. It emphasizes that true commitment to one's goals doesn't require constant self-promotion or seeking validation from others.
"Let Your Success Be Your Noise" conveys the idea that success should naturally speak for itself. When you achieve your goals through hard work and determination, your accomplishments will create a positive reputation and recognition without the need for self-aggrandizement.
In essence, this quote encourages individuals to prioritize action and persistence over self-promotion. It reminds us that the best way to gain recognition and respect is through consistent hard work and letting the results shine for themselves.