A boy becomes an adult three years before his parents think he does, and about two years after he thinks he does.
Lewis B. Hershey

A child becomes an adult when he realizes that he has a right not only to be right but also to be wrong.
Thomas Szasz

A fairly bright boy is far more intelligent and far better company than the average adult.
John B. S. Haldane

A healthy male adult bore consumes each year one and a half times his own weight in other people's patience.
John Updike

A vigorous five-mile walk will do more good for an unhappy but otherwise healthy adult than all the medicine and psychology in the world.
Paul Dudley White

Acting is a masochistic form of exhibitionism. It is not quite the occupation of an adult.
Laurence Olivier

Adult stem cells are also problematic, as they are difficult to identify, purify and grow, and simply may not exist for certain diseased tissues that need to be replaced.
Eliot Engel

Adult stem cells have shown great potential and have effectively helped patients. Another alternative is cord-blood stem cells. These are a neglected resource that could be used to treat a diverse body of people.
Jim Ryun

Adult stem cells tend not to form tumors.
Virginia Foxx

After all, I have spent the better part of my adult life insisting that government be open... that government be accessible... and that government be held accountable to people who voted us into office.
Roy Barnes

Americans spend much of their adult lives paying taxes in various forms. We should end this practice of paying a tax that is triggered only by debt.
Jennifer Dunn

An Adult faith does not follow the waves of fashion and the latest novelties.
Pope Benedict XVI

An Adult faith does not follow the waves of fashion and the latest novelties.
Joseph Ratzinger

And my mother caught wind of this. She never had really tried to guide my career or really had any say in my life as an adult, but this was the one time she said she would never speak to me again if I quit acting.
Mark Ruffalo

And my parents' separation was tricky. But my mum had always been really honest with me, and treated me like an adult even when I was really young, so I knew they hadn't been getting on.
Lisa Snowdon

And we lost a lot because of that, and I think this is future gymnastics to separate ages. Because kids can do it more than adult. A woman and adult woman can show more than the small kids.
Olga Korbut

Another belief of mine; that everyone else my age is an adult, whereas I am merely in disguise.
Margaret Atwood

Anybody who has ever been in business, anybody who has ever paid bills, anybody who has ever lived in a serious adult life knows that indebtedness is a killer.
Frank Lautenberg

Anyone interested in the world generally can't help being interested in young adult culture - in the music, the bands, the books, the fashions, and the way in which the young adult community develops its own language.
Margaret Mahy

As an adult (after college) and as an artist I thought about what was real, what sustained me - it was Christian Science. I was using that when I didn't know it. Saying yes to the Light and your better instinct.
Alfre Woodard