Conversation enriches the understanding, but solitude is the school of genius.

Unprovided with original learning, unformed in the habits of thinking, unskilled in the arts of composition, I resolved to write a book.

The author himself is the best judge of his own performance; none has so deeply meditated on the subject; none is so sincerely interested in the event.

History is little more than the register of the crimes, follies, and misfortunes of mankind.

When training intelligently, 'one size doesn't fit all.' There are exercises and weights appropriate for some body types, ages, and overall objectives and not for others.

Swimming is probably the ultimate of burnout sports. It's ironic because millions of people who swim as their regular exercise love the meditation aspect of it; you don't wind up with any orthopedic injuries. But when you swim at a world class level for hours and hours - the loneness of the long distance runner.

Kids whose puberty begins too soon face not just psychological risks, but physical ones too, with an increased likelihood of cancer, as well as skeletal changes that could prevent them from attaining their full adult height.

Hunger and malnutrition have devastating consequences for children and have been linked to low birth weight and birth defects, obesity, mental and physical health problems, and poorer educational outcomes.