Look - if science didn't believe the scientific process would provide "useful accurate results" - then why would science use it?
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You guys are tap-dancing around your own perceived fairy tale, literally scared to death of two innocuous words (belief and faith) - afraid that their use might actually draw a parallel between religion and science...
...when NO ONE IS CLAIMING ANY SUCH PARALLEL.
The definitions of faith and belief are easily looked up - BOTH have religious AND purely secular uses. But the use of one in a secular sense does not imply a correlation in the religious sense, ok? Both are often equated, confused as the same thing, when they're not. Even the religious confuse them, sometimes even to the point of creating errors in their own doctrines.
My background, my degree is engineering. I'm no layperson (I trust using the word "lay" is acceptable here and won't further anyone's anxiety?). So I'm not entirely ignorant when it comes to science or the scientific method, science's goals, processes, procedures, etc. And I'm particularly anal when it comes to defining things precisely myself, getting to the point if you will. Certainly not perfect, but definitely anal.
One would think that those defending science so adamantly would have an equally intense appreciation for the accurate definition and use of words - given how dependent, and critical precision is to science and the scientific process.
But as with anything, there are always exceptions.