There are many times in a career where short pieces of advice come in useful, whether you're looking for a new job, thinking about leaving your current role, or trying to make progress inside an organisation.Here are 52 short pieces from careers expert John Lees, aimed to provide vital short-cuts, help you out of a fix, re-energise your job search or interview planning, or to rethink the way you manage your career. Most originally appeared in John's weekly column for the UK daily newspaper Metro.