The man who lives there gains mastery over self and life.

Wouldn't it be better to wait until a toddler feels ready to gain mastery of her own elimination?

What follows are some exercises to help you gain mastery over your thoughts and emotions.

In committing to paper all that has been vouchsafed to me, I will gain greater mastery over it.

Having meaning in the situation is an important part of this stage because it allows for gaining mastery.

"This is the first step to gaining complete mastery of this technology," he said.

She was suddenly, terribly afraid, taking a long moment to gain mastery of herself and reach out toward the book.

Hayden gained a reputation for quick decisions and mastery of the brokerage business.

Is it because we want to gain mastery and control, and remain connected to the past?

They're gaining mastery, and this is something all children relate to.