It is very important to generate a good attitude, a good heart, as much as possible. From this happiness in both the short term and the long term for both yourself and others will come.
Dalai Lama-
It’s good not only to realize that you can’t please all of the people all of the time, but that you don’t want to.
Dennis Lehane-
Defeat is not the worst of failures, not to have tried is the true failure.
George Edward Woodberry-
Nobody made a greater mistake than he who did nothing because he could only do a little.
Edmund Burke-