If the shoe fits wear it
kdiʃ ci seɟiː nosci
In Czech Když ti sedí, nosti.
This idiom is used in Czech to mean that if something applies to you, you should acknowledge it.
Example
"Byl obviněn ze lži a řekl: "Když ti sedí, nosti." (He was accused of lying, and he said: "If the shoe fits, wear it.")"