The First 20 Hours: How to Learn Anything . . . Fast!

In Art & Fear (2001), authors David Bayles and Ted Orland share a very interesting anecdote on the value of volume: The ceramics teacher announced on opening day that he was dividing the class into two groups. All those on the left side of the studio, he said, would be graded solely on the quantity of work they produced, all those on the right

That’s what programming languages do: they give a human programmer a specific way to tell the computer when to start, what to do, and when to stop. They also allow the programmer to define what the inputs, processes, and outputs look like, and what to do when the program is done running.

Rails tends to be preferred for large projects with multiple programmers,

I do not measure my progress in Yoga by how far I can bend or twist, but by how I treat my wife and children. —T. K. V. DESIKACHAR, RENOWNED YOGA TEACHER

if you overdo Sun Salutations, it’s possible to hurt yourself.13 That’s why it’s a good idea to do a few sets of Sun Salutations to warm up, then move on to different poses.

In my experience, it takes around twenty hours of practice to break through the frustration barrier: to go from knowing absolutely nothing about what you’re trying to do to performing noticeably well.

Significant prepractice effort.

Yoga Anatomy by Leslie Kaminoff and Amy Matthews (2011) Yoga for Wellness by Gary Kraftsow (1999) Ashtanga Yoga: Practice and Philosophy by Gregor Maehle (2007) Breath-Centered Yoga with Leslie Kaminoff (DVD) by Leslie Kaminoff (2010)

“power law of practice,”