Meaning of the word "circumstances often alter cases" in English

What does "circumstances often alter cases" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

circumstances often alter cases

US /ˈsɜːrkəmstænsɪz ˈɔːfən ˈɔːltər ˈkeɪsɪz/
UK /ˈsɜːkəmstənsɪz ˈɒfən ˈɔːltə ˈkeɪsɪz/
"circumstances often alter cases" picture

Idiom

the way one should act or judge a situation depends on the specific facts or conditions involved

Example:
I usually don't support lying, but circumstances often alter cases when someone's safety is at risk.
He was granted an exception because circumstances often alter cases.