Wisdom is what separates average people from extraordinary people.

Remember, whatever you focus upon, increases...When you focus on the things you need, you'll find those needs increasing. If you concentrate your thoughts on what you don't have, you will soon be concentrating on other things that you had forgotten you don't have-and feel worse! If you set your mind on loss, you are more likely to lose...But a grateful perspective brings happiness and abundance into a person's life.

Remember, young man, experience is not the best teacher. Other people's experience is the best teacher. By reading about the lives of great people, you can unlock the secrets to what made them great.

Experience is not the best teacher. Other people's experience is the best teacher.

Adversity is preparation for greatness.

Curiously, a principle affects your life whether you are aware of it or not. For instance, the principle of gravity was working long before the apple ever fell on Newton's head. But once it did, and he understood it, then we as a society were free to harness this principle to create, among other things, airline flight.

If I associate with chickens, I will learn to scratch at the ground and squabble over crumbs. If I associate with eagles, I will learn to soar to great heights.