Ever since I was in college I was a big fan of these quotes website for a number of reasons. It's great to read old pearls of wisdom. It is less time-consuming. It's the best way to kill time rather than wasting it on something else. And what you get is very valuable life lessons and advice from some of the world influential people.

"As a Man Thinketh" by "James Allen" is one of my most favorite self-help books. The book is very small, It has around 60+ pages. But the message contains is so massive and life-changing.