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.