This is an information revolution time we are living in, no doubt. If you really want to succeed, then you must learn to use the tools of communication to express yourself firmly, clearly and convincingly.
As you aspire to grow rich in life, you need the skill to persuade and convince people to buy into your ideas in life. Hence, you may take a public speaking course to enhance the scope of your communication skill.
It may not be out of place if you take public speaking courses , even if you already have talent in this area already.
It is not bad if you can speak more than one languages. Knowing how to speak more languages will broaden your circle of contacts.
A good example is Onasis who could speak four languages, but concentrated on one.
Getty listened to recorded lessons to learn to speak Arabic in one month. Learning can be achieved by skipping some evening pleasure watching TV some night.
The knowledge and ability to speak well in public, whether to a large crowd of audience or a in a board meeting of a company, will build your self-confidence. It will also give you a considerable advantage over others.