If I did any movies I’d have to take a break from singing, because I’d want it to be really good.

Timberlake frames acting and music as competing, time-intensive crafts rather than interchangeable celebrity “projects.” The conditional phrasing (“If I did any movies…”) suggests selectiveness: he is open to film work, but only if he can commit enough attention to meet his own standards. Implicitly, he rejects the idea of multitasking at a superficial level; quality requires focus, preparation, and immersion. The quote also signals respect for audiences and for the medium of film—he would rather pause a successful music career than deliver a half-formed performance. More broadly, it reflects a perfectionist, craft-first ethic and an awareness of the opportunity costs of creative ambition.