Translate the following text from Czech to English.
Text: To mě ale vážně mrzí. Víte, když si nevšimnete... že v jezírku je špinavá voda. Pak si těžko všimnete ztracené boty.
Translation: - You know, I thought if you were silly enough... to go swimming in a dirty pond, you'd be silly enough not to realize you'd lost a shoe.