One day in class, I commented to my students that scientists and other intellectuals fall into groupthink at least as readily as other people do, and I offered examples.

 

Justice is giving to each person what is due to him:  Whatever reward, punishment, or share in common benefits or burdens he deserves.  The only way to be just is to practice justice.  Proclaim all you like the justice of doing injustice in certain cases, but the most careful rules for justifying injustice can never make injustice just.