Post your favorite saying

my old man- "use your head for something besides growing hair on!"
my old co-worker will (retired USAF) had a slick retort for an all to common excuse, "i didnt do it!" will- "thats why it didnt get done!!!!"
"its hotter than two field mice bangin in a wool sock!"
"sweating like a ***** in a church"
"awe man you're breaking my balls!!"
"you couldnt catch a break if it hit you in the face!"
"if it wasnt for bad luck, id have none at all"