I've got nothing to do today but smile.

The line expresses a deliberately simple, almost childlike contentment: a day emptied of obligations becomes an opportunity for uncomplicated joy. Framed as “nothing to do,” it flips idleness from a negative (wasted time) into a positive (freedom from pressure), suggesting that happiness can be an active choice rather than a reward for productivity. In Paul Simon’s songwriting persona, such a sentiment often reads as hard-won—an oasis of ease amid the anxieties and complexities that populate many of his narratives. The emphasis on “today” also makes the feeling temporary and present-focused, underscoring the value of brief, ordinary moments of peace.