1. Actual investors emphasise what might go right. Not wrong:

    A big mistake in investment is to fail to imagine the full potential of game-changing companies.


    32 seconds

    Video player CDN is not accessible
  2. Actual investors know that losses are limited to the size of the original investment, while gains have no such cap. Over time the effect of a portfolio’s big winners can vastly outweigh the large rump of relative underperformers. A need to excuse holdings ‘going wrong’ can inhibit investors from taking risks on those with the potential to return large multiples of an original investment over a long time horizon.