In fact, researchers have settled on what they believe is the magic number for true expertise: ten thousand hours.


Outliers (2008)


In fact, researchers have settled on what they believe is the magic number for true expertise: ten thousand hours.

In fact, researchers have settled on what they believe is the magic number for true expertise: ten thousand hours.

In fact, researchers have settled on what they believe is the magic number for true expertise: ten thousand hours.

In fact, researchers have settled on what they believe is the magic number for true expertise: ten thousand hours.