Thomas Friedman
Optimists are usually wrong. But all the great change in history, positive change, was done by optimists.
10 Tips to Stay Optimistic
The people living on earth can be classified into two large categories: the optimistic and the pessimistic. Optimists possess a clear vision of an exciting life, confidently work on goals to achieve their vision, and take self-responsibility. An optimistic attitude can play a big part in boosting the immune system to fight off illnesses while giving you strength to get through the rough times. They are generally healthier, have stronger hearts, and tend to live longer.