If you practice with your head, two hours is plenty.

I practice in my head.

— Artur Schnabel

It really doesn't matter how long. If you practice with your (body), no amount is enough. If you practice with your head, two hours…

— K. Anders Ericsson

“Practice makes perfect, and allowing your fingers to practice what your head just learned is a surefire way to integrate this into your knowledge.”

— Erich Andreas

The right kind of practice is not a matter of hours. Practice should represent the utmost concentration of brain. It is better to play…

— Leopold Auer

“Ten thousand hours is the magic number of greatness.”

— Malcolm Gladwell

To attain the rank of grand master of memory, you must be able to perform three seemingly superhuman feats. You have to memorize 1,000…

— Joshua Foer

“One becomes a beginner after one thousand days of training and an expert after ten thousand days of practice.”

— Masutatsu Oyama

“Ericsson says that it takes approximately ten thousand hours of Deliberate Practice to gain true expertise, so it helps to start young.”

— Susan Cain

“Even supermotivated people who’re working to exhaustion may not be doing deliberate practice. For instance, when a Japanese rowing team invited Olympic gold medalist…

— Angela Duckworth

“Deep practice, however, doesn't obey the same math. Spending more time is effective—but only if you're still in the sweet spot at the edge…

— Daniel Coyle

“Malcolm Gladwell showed us in Outliers, research led by psychologist Anders Ericsson reveals that attaining expertise in a domain typically requires ten thousand hours…

— Adam M. Grant

One of the bigger misconceptions of learning is that many skills take a lifetime to get world-class at, or 10,000 hours to become world-class at.

— Anonymous

One becomes a beginner after 1000 days of training. One becomes a master after 10,000 days of practice.

— Mas Oyama

See to it that you temper yourself with one thousand days of practice, and refine yourself with ten thousand days of training.

— Miyamoto Musashi

I have an argument that to master any field, it's simple: it's a function of time. How much you devote yourself to the process,…

— Robert Greene