Meaning of the word "if things were to be done twice, all would be wise" in English

What does "if things were to be done twice, all would be wise" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

if things were to be done twice, all would be wise

US /ɪf θɪŋz wɜːr tu bi dʌn twaɪs, ɔːl wʊd bi waɪz/
UK /ɪf θɪŋz wɜː tu bi dʌn twaɪs, ɔːl wʊd bi waɪz/
"if things were to be done twice, all would be wise" picture

Idiom

it is easy to be wise after the event; hindsight is always better than foresight

Example:
I should have invested in that company years ago, but if things were to be done twice, all would be wise.
He regrets his decision now, but if things were to be done twice, all would be wise.