Never waste valuable time, or mental peace of mind, on the affairs of others—that is too high a price to pay.

If you're just letting the time pass at your job, it's just dead time and you'll never get it back. If at that job you're learning and you're observing and you're seeing about people and connections, it's suddenly alive time.

All the most successful people nowadays who are truly successful and innovative in their field are not people motivated by money.

Jay-Z is more naturally gifted. He didn't depend as much as 50 did on his personal story. Jay-Z has a great story, he came from a pretty rough background. But 50's early success was so much fueled on the story and where he came from. With Jay-Z, I feel he has a more natural gift for language and for music itself. 50 really had to study and work at it much harder.

Boldness makes even the smallest animal dangerous

I am impressed when I go on the internet and see a lot of young people who've been influenced by the books, or I meet someone who tells me how it has changed their life. To me, that is much more real than sales figures.

Grand strategy is the art of looking beyond the present battle and calculating ahead. Focus on your ultimate goal and plot to reach it.