كن مثالا نموذجيا وليس ناقدا ، كن جزءا من الحل وليس جزءا من المشكلة Author: Stephen R. Covey Copy Quote More from Stephen R. Covey “Frustration is a function of our expectations, and our expectations are often a…” “Ineffective people live day after day with unused potential.” “People can't live with change if there's not a changeless core inside them.” “Happiness - in part at least - the fruit of the desire and ability to sacrifice…”