What material success does is provide you with the ability to concentrate on other things that really matter. And that is being able to make a difference, not only in your own life, but in other people's lives.
Don't aim for success if you want it; just do what you love and believe in, and it will come naturally. Despite everything, I believe that people are really good at heart.
One should guard against preaching to young people success in the customary form as the main aim in life. The most important motive for work in school and in life is pleasure in work, pleasure in its result, and the knowledge of the value of the result to the community.