Pessimistic vs Optimistic

Are you a pessimist ...? Or you are the one who always be optimistic ..?
Please look inside yourself, what kind of person you are ...?
Pessimistic is Doubt in a person where the feeling will arise when the person will do something, that is doubt about the outcome to be achieved.
Optimistic is An attitude or a feeling of self-belief in what to do, so that with this attitude he will be very confident in the results he wants to achieve what he is doing.
Above I try to say pessimistic and optimistic in general, although there is actually another more complex understanding but I believe the above understanding already represents the definition.
Are we being optimistic it's wrong ...? "No" and if we are pessimistic it is wrong ...? "not really", Because all will go back to your own person. Pessimistic and optimistic are two opposite directions such as black and white or good and bad, but both also have a very close relationship to support one of these traits.
I'm sure this is what I'm doing is going to work. "Optimistic"
I doubt if I will do it succeed. "Pessimistic"
I'm sure this I do will work, but if it does not work I will try another way. "The link between Optimists and Pessimists"
People who continue to advance with the key to something that will be done can be called with people who are Optimistic.
The one who is just him because of the acknowledgment of failure over what he will do can be called a Pessimistic person

If there is an assumption like this:
I am sure I will succeed "if you do not succeed what you are doing ..?"
I'm not sure this will work "if not try we will not know the result ..?"
No matter how Optimistic your attitude should always be balanced with your Pessimistic attitude, here I mean, we must be sure that what we do will achieve results in accordance with what we expect, but of course we also have to have consideration as well that is when our results Want not achieved we must be ready for the risks we face and certainly at this stage does not make us stop to keep trying and keep trying until our goal is achieved. This is what I mean by the relationship between Optimists and Pessimists.
Many people say I am not a pessimist, because I am always optimistic about what I do. Is that true..? They can say that because they are not aware that they have actually been pessimistic. They just do it indirectly.
I am sure it will work and if it does not work I will continue to try to succeed
This is an example where the person indirectly applies pessimistic nature in the optimistic or can we also mean the opposite is the nature of optimism in pessimistic nature.
Everything we do is not wrong to achieve the results we want, but all will go back to the process or stages in achieving that outcome. Belief in the outcome is important but the harm to the outcome is also important because that's where we will learn how to achieve the outcome itself, as the adage "success is a failure to be scrapped" Success is Optimism then the failure is Pessimistic, so we should learn from the failure to achieve Success we want.
In this world no one is always successful, and no one always fails, because the point is how we respond between the success and the failure.
