If our optimism will make us think of our friend, plus insight into the identity of a friend, we can reach everyone and happy to work with others, ruap.
If we look optimistically to make us think positively about our understanding of the identity of the friends we were able to reach everyone, and is happy to work together with the others.
If we look at the world with optimism makes our positive thinking with our friends understand the identity of that we can reach everyone and happy to work together together with others.