Bad investing mindset: 'Stocks go up immediately all the time'.
Good investing mindset: 'Stocks go up eventually, but anything can happen in the short term'
Bad investing mindset: 'Bull markets are where the opportunities are'
Good investing mindset: 'Bear markets are where the opportunities are'
Bad investing mindset: 'Stock has had a good run ... I'm selling'
Good investing mindset: 'When we own portions of outstanding businesses with outstanding management, our favourite holding period is forever'
