"The songs keep on writing themselves, and I really love them. It's as close as I get to a religion."
"I would put our legislative and foreign policy accomplishments in our first two years against any president - with the possible exceptions of Johnson, FDR, and Lincoln - just in terms of what we've gotten done in modern history. But, you know, but when it comes to the economy, we've got a lot more work to do. And we're gonna keep on at it."
"I'll keep on acting 'til they wipe the drool. I like the business. I like to do different parts and diverse characters. I haven't lost my enthusiasm yet!"
"I do the very best I know how - the very best I can and I mean to keep on doing so until the end."
"The toughest thing about success is that you've got to keep on being a success."
"I'm inspired by people who keep on rolling, no matter their age."
"And finally I twist my heart round again, so that the bad is on the outside and the good is on the inside, and keep on trying to find a way of becoming what I would so like to be, and could be, if there weren't any other people living in the world."
"One thing that people keep on saying to me is that the wealth and the fame must have made up for missing out on my childhood. But the idea of money - putting a price on your childhood - is ridiculous. You will never get those years back and you can't put a price on them."
"Do not keep on with a mockery of friendship after the substance is gone - but part, while you can part friends. Bury the carcass of friendship: it is not worth embalming."
"Try, try, try, and keep on trying is the rule that must be followed to become an expert in anything."