"We'll find a material we like and do everything wrong with it until something comes out right, " says Simon.

WSJ: The Wonder Twins of the Design World: Nikolai and Simon Haas | Designers

And you fall victim to the same nagging self-doubt from thinking about that one time you did something right, that you do from dwelling on all the times you did everything wrong.

FORBES: Connect

We have signed agreements with all our partner organisations that give us the right to cancel everything and take legal action to recover funds if they do anything wrong.

BBC: Ibrahim Hewitt is still fuming.