I think if you talk to the experts in any field where you have to take on a unknown challenge, where you're going to be working on it for a long time you'd find that to work themselves up to their best performance and really throw themselves into it, you know, spend all these hours in there and ah, give it their... give it their best that optimism plays a role.

For one thing, there's an essential human factor in every business endeavor. It doesn't matter if you have a perfect product, production plan and marketing pitch; you'll still need the right people to lead and implement those plans.

Me and my dad are the biggest promoters of an estate tax in the US. It's not a popular position.

People think about this idea that there's 122 million kids that are alive that would not be if that fatality rate had stayed at the 1990 level, that's 122 million families.

Vaccines are a miracle; they're fantastic. Anything that makes people hesitate to give their children these vaccines according to the recommended schedule creates risk. Risk for the children who don't get vaccinated and risk for children, some of whom don't have an immune system, so they're benefiting from the fact that the community protection means the disease doesn't get to them.

No more misquoted forms, lost invoices, redundant entries, missing checks, or delays caused by incomplete paperwork.

Once you embrace unpleasant news, not as a negative but as evidence of a need for change, you aren't defeated by it. You're learning from it.