<p>If you can’t think, you can’t write. If you can’t write, nobody will ever know you can think. So both are necessary for a truly successful intellectual career. </p>
<p>In the late 70s, I worked for a short while in a big company’s personnel office, screening resumes. You would have been appalled at the writing skills of some recent college graduates, including some from high-prestige colleges. I doubt the situation has changed much.</p>