"Nothing can stop the man with the right mental attitude from achieving his goal; nothing on earth can help the man with the wrong mental attitude."
"Cant do it." "Never could do it." "Never will be able to do it." "No one could do it." "We don't have the right resources." "We haven't been trained." "We don't have the time."
We're full of excuses for why we can't do something, even before we've made one small effort to get it done. Will we succeed? Not with this attitude. But if we take on the challenge with enthusiasm and energy, assuming that we're going to do just fine, we just might.