Meaning of the word "tomorrow never comes" in English

What does "tomorrow never comes" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

tomorrow never comes

US /təˈmɔːr.oʊ ˈnev.ɚ kʌmz/
UK /təˈmɒr.əʊ ˈnev.ə kʌmz/
"tomorrow never comes" picture

Idiom

used to say that if you put something off until tomorrow, you may never do it at all

Example:
You should start your diet today because tomorrow never comes.
Stop procrastinating; remember that tomorrow never comes.