Think and Grow Rich by Napoleon Hill
Thoughts are tools, and they can be quite compelling. Focus on what needs to be achieved and strengthen the resolve by having what the author calls a “definiteness of purpose.” It is also crucial to persist in the face of obstacles bound to slow down your growth along the way.
Rich Dad, Poor Dad by Robert Kiyosaki
There is a reason why the rich get richer. They understand the essential yet often misunderstood difference between liabilities and assets. An asset puts money into the pocket while a liability takes money out. To get rich, buy assets and leverage their income to buy what you need.