A doctor must work eighteen hours a day and seven days a week. If you cannot console yourself to this, get out of the profession.

When I work fourteen hours a day, seven days a week, I get lucky.

A man who cannot work without his hypodermic needle is a poor doctor. The amount of narcotic you use is inversely proportional to your skill.

I like to work for four or five hours a day. I aim for seven days a week.

I work 18 to 20 hours a day, seven days a week, so I don't have time for a social life. Or any life outside work.

While in my late teens and in my 20s, I worked seven days a week, 20 hours a day. I worked my tail off.