#12 When in Rome...

કહેવત
(Kahevat)

જેવો દેશ તેવો વેશ 
(Jevo desh tevo vesh)

Meaning: When in Rome, do as the Romans do.

(Literally speaking, this proverb in Gujarati means it is polite to abide by the customs of a country when one is a visitor.)

#11 Cutting the branch...

કહેવત
(Kahevat)

જાતે પગ પર કુલ્હાડો મારવો
(Jaate pag par kulhado maarvo)

Meaning: Cutting the branch on which you are sitting.

(Literally speaking, this proverb in Gujarati means to hit one's own foot with an axe, much like digging your own grave.)