A friend is someone who stays by your side all through the troubles he's caused you.

To acquire knowledge, one must study; but to acquire wisdom, one must observe.

Success is achieved by developing our strengths, not by eliminating our weaknesses.

Know how and how much to tip people who expect gratuities, even in the case of poor service.

Being defeated is often a temporary condition. Giving up is what makes it permanent.

Working in an office with an array of electronic devices is like trying to get something done at home with half a dozen small children around. The calls for attention are constant.

Be able to hiccup silently, or at least without alerting neighbors to your situation. The first hiccup is an exception.

Be able to analyze statistics, which can be used to support or undercut almost any argument.

Skill is successfully walking a tightrope between the twin towers of New York's World Trade Center. Intelligence is not trying.

Know the official post office abbreviations for all 50 states without having to consult a list.

There's plenty of intelligence in the world, but the courage to do things differently is in short supply.

First we build the tools, then they build us.

[White House] feels even more like home now because you have all these memories that were formed watching your kids grow up.

Design can be both a manifestation of a company's design ethic and an outward communication of a company's design ethic and drive for excellence.

All analysts spend half their time hunting through the literature for inequalities which they want to use and cannot prove.

No trouble ever got fixed late at night," he said. "Midnight is for regrets.

There is no tranquility in ideas.

Such short little lives our pets have to spend with us, and they spend most of it waiting for us to come home each day.

You can't have real love without operating in forgiveness. Love keeps giving the other person another chance.

When Lady Gaga says I am her inspiration, you reach kids between 12 and 18. Now I am like a brand - jeans, Coca-Cola.

Give up meat to save the planet.