As far as I know
Example: As far as I know, the store closes at eight.
Definition
"As far as I know" is an expression used to indicate that the information being shared is to the best of the speaker's knowledge, but there may be limits to their awareness or certainty. It signals a degree of caution or humility about the accuracy of the statement.
Etymology
The phrase "as far as I know" originates from combining the idea of distance or extent ('as far as') with personal knowledge ('I know'). It has been used in English for centuries to politely qualify statements, acknowledging that one’s knowledge might not be complete. Did you know? This phrase helps speakers avoid overcommitting to absolute truth.
Learn to use this expression actively
"As far as I know" appears in the Vocaplus list "English - General - Idioms and Proverbs - (B1) - set 1", containing 123 commonly used expressions.
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