Из одних слов шубы не сошьешь

See Соловья баснями не кормят (С)

Cf: Promises don't fill the belly (Am.). Talking well will not make the pot boil (Am.). Talk is but talk, but it's the money that buys the house (Am.). Talk is cheap /, but it takes money to buy land (liquor, whiskey)/ (Am.). Words pay no debts (Am., Br.)