With engineering I view this year's failure as next year's opportunity to try it again. Failures are not something to be avoided. You want to have them happen as quickly as you can so you can make progress rapidly.
An unexamined faith is not worth having for fundamentalism and uncritical certitude entail the rejection of one of the great human gifts: that of free will of the liberty to make up our own minds based on evidence and tradition and reason.
