Expectations always lead to frustrations. Expectations are the seeds, and frustration is the crop that sooner or later you will have to reap. It is your own doing.
The fourth (of the four cardinal virtues) is supportiveness: this manifests as service to others without expectation of reward. (Paraphrased: Such service is not a mere conforming to some external rule of behavior, but instead a manifestation of your original nature).
There are varieties of theories of revolution. According to one of these theories, only one of these theories, revolutions occur when there is an explosion of rising expectation. And amongst the lower strata in Iranian society, we are witnessing an increasing rise of the expectation and it's clear that the regime is incapable of satisfying these demands.
So those who wished for some central cosmic purpose for us, or at least our world, or at least our solar system, or at least our galaxy, have been disappointed, progressively disappointed. The universe is not responsive to our ambitious expectations.
Other people are not here to fulfill our needs or meet our expectations, nor will they always treat us well. Failure to accept this will generate feelings of anger and resentment. Peace of mind comes with taking people as they are and emphasizing the positive.
William James once made an acute point about the relationship between happiness and expectation. He argued that satisfaction with ourselves does not require us to succeed in every endeavour. We are not always humiliated by failing; we are humiliated only if we first invest our pride and sense of worth in a given achievement and then do not reach it.
We intend to conduct our business in a way that not only meets but exceeds the expectations of our customers, business partners, shareholders, and creditors, as well as the communities in which we operate and society at large.