“Don't let what you cannot do interfere with what you can do. ”
“Do not let what you cannot do interfere with what you can do.”
“Do not let what you can't do interfere with what you can do.”
“Never let what you cannot do, stop you from doing what you can do!”
“Don't let what you can't do get in the way of what you can do.”
“As you cannot do what you want,Want what you can do”