Optimism, unaccompanied by personal effort, is merely a state of mind and not fruitful.

An optimist stays up until midnight to see the new year in. A pessimist stays up to make sure the old year leaves.

We hope that, when the insects take over the world, they will remember with gratitude how we took them along on all our picnics.

The eagle may soar; beavers build dams.

The US has not imposed democracy in Yemen, its people have.

The whale is endangered, while the ant continues to do just fine.

Even pearls are dark before the whiteness of his teeth.

Money won't buy happiness, but it will pay the salaries of a large research staff to study the problem.

Youth is when you're allowed to stay up late on New Year's Eve. Middle age is when you're forced to.

Now that women are jockeys, baseball umpires, atomic scientists, and business executives, maybe someday they can master parallel parking.

The government is shutting down the coal industry, they say it's cheaper to draw nuclear power off the French grid and cheaper to buy coal from Colombia.

If you aren't going out for business, you may go out of business.

Commercial comedy's often set up to feature an ironist makingdevastating sport of someone who's naive or sentimental or pretentious orpompous.

The patient is the one with the disease

My sporting hero was Drazen Petrovic, the NBA basketball player, who was killed in a car accident in 1993. He was a good friend, an unbelievable player, and I dedicated my Wimbledon win to him.

Always take the long term view and train and race smart, with a bit of caution.

The key is to get it all down on paper before the coffee stops telling you you're talented.

There are no shortcuts. If you feel good, you'll look good, you'll play good. Work hard every day. No matter what your strengths and weaknesses, there's no substitute for hard work.

No one can do me any good by loving me; I have more love than I need or could do any good with; but people do me good by making me love them - which isn't easy.

Truth without humility would be an arrogant caricature.

The opinion of 10,000 men is of no value if none of them know anything about the subject.