“I would say “um” and use other filler words such as “like.” To young Isaac they felt like the end of the world but I eventually came to understand that unless these quirks show in every sentence, it's less than likely that others will consciously take notice.”

Who said it, and where.

Who said “I would say “um” and use other filler words such as “like.” To young Isaac they felt…”? Isaac Mashman wrote it in Personal Branding: A Manifesto on Fame and Influence, Second Edition (2025), Section 7.2, Interpersonal Relationships.