There are many books which reiterate the same shallow things over and over. Let's just cut straight to the chase about books that may actually be of any value to your life.

Meditations - marcus aurelius.

Almost a stream of thoughts from the Roman Emperor, it shows nothing much has changed since the 180 AD.

The Master Key System, with observations of deep thinkers like Francis Bacon

The Seven Spiritual Laws of Success.

The title is quite lame, it should really be called the Seven Spiritual Laws of Life as it represents a guide to life more than success, the primary notion is that true success comes with living the correct life. As in choose a path that is suitable for you and not what other people think you should be doing in life.