Some people make that decision at 15 and some people make it at 50, and most people never make it all.

Telling is not selling; never make a statement if you can phrase it in the form of a question.

Everything in life is a checklist, whether it's building a birdhouse or building a kitchen. If you don't have a checklist, you're much more likely to forget something.

Be intensely result-oriented in everything you do. This is a key characteristic of high performers.

To be truly happy, you need a clear sense of meaning and purpose in life.

Nobody values your time but YOU.

Resolve in advance to persist until you succeed, no matter what the difficulty.