People don't buy what you do; they buy why you do it and what you do simply proves what you believe.
Do not believe in anything simply because you have heard it. Do not believe in anything simply because it is spoken and rumored by many. Do not believe in anything simply because it is found written in your religious books. Do not believe in anything merely on the authority of your teachers and elders.
That proves something- that a gang of wild animals can be stopped, simply because they're still human.
If you are a Christian you do not have to believe that all the other religions are simply wrong all through. If you are an atheist you do have to believe that the main point in all the religions of the whole world is simply one huge mistake.
An argument which proves too much, proves nothing.
If your hunch proves a good one, you were inspired; if it proves bad, you are guilty of yielding to thoughtless impulse.
A big blizzard proves there's no global warming in the same way being out of milk proves there's no such thing as cows.
Fire proves gold, adversity proves men.
Philosophy consists very largely of one philosopher arguing that all others are jackasses. He usually proves it, and I should add that he also usually proves that he is one himself.
A nation can assume that the addition of the words "under God" to its pledge of allegiance gives evidence that its citizens actually believe in God whereas all it really proves is that they believe in "believing" in God
If I do not believe as you believe, it proves that you do not believe as I believe, and that is all that it proves.
If we are to believe that our immigration laws simply have no value, as our current policies would have us believe, should we then simply throw them all out, the entire lot of immigration law? I hope not.
For the obvious reason that nature - unadulterated and unimproved by man - is simply chaos. In fact, the camera proves that nature is crude and lacking in arrangement.
I believe that the science of chemistry alone almost proves the existence of an intelligent creator.
My entire career proves to me that if you believe in what you're doing, you will reap the benefits.
In sports, you simply aren't considered a real champion until you have defended your title successfully. Winning it once can be a fluke; winning it twice proves you are the best.