"insane" actually thats my 2nd place nominee. first place is so common even I dont notice it: "key". paying attention is key to success. the key to understan

"insane" actually thats my 2nd place nominee. first place is so common even I dont notice it: "key". paying attention is key to success. the key to understanding code is to. being persistent is key. what it should mean is that without $key, $effect cannot be accomplished. what it really means is $key is important/helpful.