Definition: carefree; untroubled; nonchalant

Sans souci (French): “without worries”
• “No worries, mate.” — Australian

Proverb: That the birds of worry and care fly above your head, this you cannot change; but that they build nests in your hair, this you can prevent. — Chinese

• What, me worry? — Alfred E. Neuman (1954 -) Mad Magazine {1952-2022}
• Take your worries off with your shoes and put them beside your bed when you go to sleep. They will be there in the morning. — “Dutch” (grade school bus driver, circa 1956)
• Consider the lilies, how they grow; they toil not, neither do they spin; yet I say to you, even Solomon in all his glory was not arrayed like one of these. — The Bible, Luke 12:27
• Seek the greater thing, and the earthly shall be included. The shadow is certain to follow the substance. — The Bible, Matthew 6:33