Trust, but verify Trust, but verify Trust, but verify (; "Doveryat, no proverit") is a Russian proverb. The phrase became well known in English when used by President Ronald Reagan on multiple occasions in the context of nuclear disarmament. Suzanne Massie, an American writer, met with President Ronald Reagan many times between 1984 and 1987. She taught him the Russian proverb "Doveryai, no proveryai" (; "Trust, but verify"), advising him that "The Russians like to talk in proverbs. It would be nice of you to know a few. You are an actor – you can learn them very quickly." The proverb was adopted
Maxim gun with Vickers in 1902 to manufacture the design in Russia, although manufacturing did not start until 1910. During the Russo-Japanese War of 1904–1906, the Russian Army employed the Maxim in combat and placed a rush order for another 450 units from overseas suppliers, which were mostly delivered to front-line troops before the end of the war. By World War I, many armies had moved on to improved machine guns. The British Vickers machine gun was an improved and redesigned Maxim, introduced into the British Army in 1912 and remaining in service until 1968. Production took place at Erith in Kent,