“Be always sure you are right, then go ahead.”
“be always sure you're right, THEN GO AHEAD!”
“Be sure that you are right, and then go ahead.”
“Be sure you're right-then go ahead.”
“Remember these words when I am dead. First be sure you're right, then go ahead.”
“Most people are only too delighted to wreck each other's heads. And for the tiny minority who do their pathetic best not to, this world is going to go right ahead and make sure they do it anyway.”