une souris toujours trouve son trou

i bought my wife a tiny triangular box with what i thought were chipmunks on the lid (three mice ,i didn't have my glasses on obviously) nicely made of resin to resemble bone or what not.. anyways, there was this inscription inside,unbeknownst to me  (see subject line) ..now from my vague recollection of french this semed to be a french colloquialism or proverb..in which the actual words add up to a slightly(or completely) different meaning..in this case souris(smile ) was the kicker..i googled and came up with a site of proverbs relating to souris,some sexual in nature..this is french after all...but no direct translation...giving up on attempts to download a translator program  for fear of further compromising my little pc's health ..ifinally found a site to just translate to l'anglais....a mouse always finds its hole...and now you have found mine....and so it goes.....