<p>Consultant, expert witness, and teacher.</p>
<hr />
<blockquote>
<p>... we do not yet know all the basic laws: there is an expanding frontier of ignorance.</p>
</blockquote>
<p>--Richard Feynman (1961), <a href="https://www.feynmanlectures.caltech.edu/I_01.html#Ch1-S1" rel="nofollow noreferrer"><em>The Feynman Lectures on Physics.</em></a></p>
<hr />
<blockquote>
<p>The mathematics are not there for the joy of the analyst but because they are essential to the solution.</p>
</blockquote>
<p>Karl Pearson, <em>Notes on the History of Correlation</em> (1920).</p>
<hr />
<blockquote>
<p>Whenever there is a simple error that most laymen fall for, there is always a slightly more sophisticated version of the same problem that experts fall for.</p>
</blockquote>
<p>--Amos Tversky</p>
<hr />
<blockquote>
<p>It is largely because of lack of knowledge of what statistics is that the person untrained in it trusts himself with a tool quite as dangerous as any he may pick out from the whole armamentarium of scientific methodology.</p>
</blockquote>
<p>--Edwin B. Wilson (1927), quoted in Stephen M. Stigler, <em>The Seven Pillars of Statistical Wisdom</em>.</p>

whuber