I wouldn’t change one thing about my professional life, and I make it a point not to dwell on my mistakes.

The remark frames Merman’s career in terms of hard-won acceptance rather than revision: she claims no desire to rewrite her professional past and refuses to ruminate on errors. Read as a performer’s credo, it emphasizes forward motion—an insistence that missteps are inevitable in a long public life but need not become a defining narrative. The first clause (“wouldn’t change one thing”) signals pride and gratitude for the total arc of work, including compromises and setbacks; the second (“not to dwell”) suggests a practical strategy for resilience in a high-pressure, judgment-heavy industry. Together, the lines valorize self-possession and emotional economy: learn, move on, keep performing.