tomorrow is another day UK /təˈmɒɹoʊ ɪz əˈnʌðə(ɹ)deɪ/US /təˈmɑɹoʊ ɪz əˈnʌðɚ deɪ/ saying1 •Tomorrow will bring new opportunities and a fresh start for one's endeavors."Well, well, my dear lass, to-night we cannot work, but we may sleep. . . . Keep a still heart tonight, and tomorrow is another day." — 1896