The biggest lesson I have learned is the stupendous importance of what we think. If I knew what you think, I would know what you are, for your thoughts make you what you are; by changing our thoughts, we can change our lives.
Dale CarnegiePatience and perserverance will accomplish more in this world than a brilliant dash. Remember that when something goes wrong.
Dale Carnegiecriticism is dangerous, because it wounds a person's precious pride, hurt his sense of importace and arouse resentment.
Dale Carnegie