Make a habit of canceling every subscription to anything you don't have time to read

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.

Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.

To put it crudely but graphically, the monkey who did not have a realistic perception of the tree branch he jumped for was soon a dead monkey-and therefore did not become one of our ancestors.

When I was young and irresponsible, I was young and irresponsible.

I am just going. Have me decently buried; and do not let my body be put into the Vault in less than three days after I am dead.... Tis well.

Everyone is saying that I'm retiring, but I want to solemnly declare, that I don't want to retire, I just want to do things a bit less dangerous to my body, less dangerous action.

Some people look at a glass and see it as half-full. Others look at a glass and call it a dragon.

... in the history of the human mind there has never been a useful thought or a profound truth that has not found its century and admirers.

If there is a remedy or a cure, a solution to a problem or difficulty, why worry?

We all have our own purpose in life and I feel very strongly that I have a bigger purpose than giving to just my immediate family and friends.

I think that the only ultimate guide we have is our conscience, and if the law of the land goes against our conscience I think we should disobey the law.