conventional wisdom

Translations
общепринятая мудрость
Conventional wisdom suggests that you should save at least 10% of your income.
Общепринятая мудрость предполагает, что вы должны откладывать как минимум 10% своего дохода.
Definitions
Conventional wisdom refers to widely accepted beliefs or opinions that are generally considered to be true or valid, often without critical examination or evidence. It represents the common understanding or consensus on a particular issue or topic.
Words
conventional

adjective
общепринятый
wisdom

noun
мудрость