"No one has ever made himself great by showing how small someone else is," Sherman writes in a new column for TheMMQB.com. "That’s not mine. It belongs to Irvin Himmel. Somebody tweeted it at me after the NFC Championship Game. If I could pass a lesson on to the kids it would be this: Don’t attack anybody. I shouldn’t have attacked Michael Crabtree the way I did. You don’t have to put anybody else down to make yourself bigger."