“You will never know what could have been done until you start doing what needs to be done.”
“You will never know what you are doing until and unless you have done it.”
“Do what you know needs to be done.”
“Never interrupt someone doing what you said could not be done.”
“Success is not what you have done compared to what others have done. Success is what you have done compared to what you were supposed to do.”
“You know what must be done.""No, I do not know what must be done. I do not routinely summon people from the grave and have them following me around!”