今日事 今日畢(금일사 금일필)

오늘 할 일은 오늘 마친다.
오늘 할 일을 내일로 미루지 말라.
내일은 없다.
Finish the current job before starting something new.
Don't put off until tomorrow what can be done today.
Don't put off till tomorrow what should be done today.
Never put off for tomorrow what you can do today.
Tomorrow never comes.