An effective speaker knows that the success or failure of his talk is not for him to decide - it will be decided in the minds and hearts of his hearers.
Dale CarnegieHappiness doesn't depend on any external conditions, it is governed by our mental attitude.
Dale CarnegieAny fool can criticize, condemn and complain - and most fools do. But it takes character and self control to be understanding and forgiving.
Dale Carnegie