If you find yourself saying ...

If you find yourself saying \'I can\'t do something\', but you know it in your heart of hearts that if you do it, you\'re going to grow, you\'re going to be a better person, it\'s going to contribute to your family or to your kids or to something that matters, and you keep saying \'I can\'t do it,\' there is no question—you must do it. You don\'t discuss it anymore. You just take immediate action... You do what\'s necessary.
If you find yourself saying 'I can't do something', but you know it in your heart of hearts that if you do it, you're going to grow, you're going to be a better person, it's going to contribute to your family or to your kids or to something that matters, and you keep saying 'I can't do it,' there is no question—you must do it. You don't discuss it anymore. You just take immediate action... You do what's necessary.

Quotes from the same author

Stay committed to your decisions, but stay flexible in your approach.
Using the power of decision gives you the capacity to get past any excuse to change any and every part of your life in an instant.
To effectively communicate, we must realize that we are all different in the way we perceive the world and use this understanding as a guide to our communication with others.
You always succeed in producing a result.
It is in your moments of decision that your destiny is shaped.