"But how can you be sure?"

by Seth Godin
100% certainty is not a variation of 96% or even 99%. It's a totally different category. Certainty is binary, yes or no. The question, "are you sure it will work" is not about the work, it's about the sure. If you need to know that it's going to work, then you've committed to a very clear path. Some people go to work or school and do nothing except the things that they are sure about.Read the full article