Quotes in Truth
Remember that all models are wrong; the practical question is how wrong do they have to be to not be useful.
Since all models are wrong the scientist must be alert to what is importantly wrong. It is inappropriate to be concerned about mice when there are tigers abroad.
When war is declared, truth is the first casualty.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
It is an affront to treat falsehood with complaisance.
We are so accustomed to disguise ourselves to others, that in the end, we become disguised to ourselves.
How often have I said to you that when you have eliminated the impossible, whatever remains, however improbable, must be the truth?