Stay in Your Own Sled
 Stay in Your Own Sled (Russian: Не в свои сани не садись) an idiom meaning Don't bite off more than you can chew is a play by Alexander Ostrovsky written in 1852 and first published in the No.5 (March book 1) 1853 issue of Moskvityanin. It was premiered in Bolshoi Theatre on January 14 1853.