Actress Naomi Watts does not believe that success is 'everything' and finds life in Hollywood 'uncertain'.

Naomi Watts. Pic/AFP

"Acting is such an uncertain kind of life. You struggle so much at the beginning of your careeru00a0- at least I didu00a0- and then you suddenly find yourself working all the time and after six or seven years you realise that maybe work and success isn't everything," femalefirst.co.uk quoted the 43-year-old as saying.