If the shoe fits wear it
ikiwa kiatu kinakufaa kivae
In Swahili Ikiwa kiatu kinakufaa, kivae.
This idiom is used in Swahili to mean that if something applies to you, you should acknowledge it.
Example
"Alishtakiwa kwa kusema uongo, na akasema: "Ikiwa kiatu kinakufaa, kivae." (He was accused of lying, and he said: "If the shoe fits, wear it.")"