“If they let him, he would even steal the nails from the cross.”

Refers to a person who is extremely thievish or dishonest.

Translation in spanish

“Si lo dejan, se roba hasta los clavos de la cruz.”

Se refiere a una persona extremadamente ladrona o deshonesta.

Phonetic:
/See lo deh-han, seh roh-bah ah-stah lohs klah-vohs deh lah kroos/