If you think a certain thought long enough and hard enough, it becomes a fixed belief and you will find yourself behaving on the outside in a manner consistent with it.

The establishment of a clear, central purpose or goal in life is the starting point of all success

Perhaps the greatest display of self-discipline is persisting when the going gets tough. Persistence is self-discipline in action.

You can achieve almost any goal if you just do what other successful people have done to achieve the same goals before you.

You are always free to choose what you do first, what you do second, and what you do not do at all

The important thing is the 80/20 rule: 80% of the effects come from 20% of the causes. This means that if you're doing ten tasks, two are going to be vastly more important than others.

Whatever job you take on, make yourself valuable, then indispensable.