People try to find a happiness and a joy to fill their mind with opptimistic feeling.
> People try to find a happiness and a joy to fill their mind with an optimistic feeling. 

 The joy is essential for us,human to live.
>Joy is essential for us humans to live.

 As long aswe take a happy occurence, there will be more and more will be more and more will appeared.
> As long as we take a happy occurence, there will be more and more will be more and more will appear.

Our movement is mostly determined by in physics which means the mind.
>Our action is mostly determined by in physics which means the mind.

For example, if you are in a really bad mood, you must be discouraged to do all of thing in contrast there is a luck that only benefit to you, you can work harder with more power.
>For example, if you are in a really bad mood, you might be discouraged to do all of things. In contrast, there is a luck that only benefits to you, you can work harder with more power.

 Even according to the search of the famous scientist indicates that they have a good conseqence when they feel pleased and have the matters that are good to them.
>Even according to the research of the famous scientists, it indicates that they have positive consequences when they feel pleased and have the matters that are good to them.

I strongly imposes that it is important to live a happpy life.
>I strongly imposes that it is important to live a happy life.

The reason for that is that it has an evidence following on the study of scientist.
>The reason for that is that it has an evidence following on the study of scientists.