I value self-discipline, but creating systems that make it next to impossible to misbehave is more reliable than self-control.

If the challenge we face doesn't scare us, then it's probably not that important.

Learn to be difficult when it counts. In school as in life, having a reputation for being assertive will help you receive preferential treatment without having to beg or fight for it every time.

Avoid results-by volume approach, instead focus on few critically important but uncomfortable actions.

The truth is that since the first book, I have wanted to emulate Benjamin Franklin and put together a healthy, wealthy and wise trilogy and so healthy was 'The 4-Hour Body,' wealthy was 'The 4-Hour Workweek' and then wise is 'The 4-Hour Chef.'

Get good at being a troublemaker and saying sorry when you really screw up

There are two components that are fundamental to enjoy life and feel good about yourself: continual learning and service.