Principles of Life

Principles of Life (Principii de viață) is a 2010 Romanian drama film directed by Constantin Popescu and starring Vlad Ivanov. It is set during 24 hour in the life of a middle-class man with a poor connection to his family. It was Popuscu's second feature film, released half a year after his debut, Portrait of the Fighter as a Young Man.

Production
The film was written by Răzvan Rădulescu and Alexandru Baciu. The budget was 600,000 euro. Filming took place in Bucharest from 21 September to 20 October 2009.