Michael Crichton. The The Andromeda Strain (№ 399772)

Today he was distraught. And, as always, reacted to a similar condition in his own way: he became deliberately slow, walked slow, thought slow, was working with a boring thorough deliberation. That was the secret of his success. When everything shalel excited, Manchek seemed to have lost the last interest almost started to doze off. The clever way he managed to maintain clarity of thought and objectivity of judgment.