Lovely book of reflections by Marcus Aurelius, Roman Emperor 161 to 180 AD. Contains his thoughts about life as a number of separate points. You will see these points widely quoted in other books and films. Words of wisdom that have certainly lasted a long time!

book review
The Power of Nice: How to Conquer the Business World With Kindness by Linda Kaplan Thaler & Robin Koval
Success comes not only from hard work and talent, but also from being nice to others – everyone you meet is important, and it is