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 CarnegieWhen you're afraid keep your mind on what you have to do. And if you have been thoroughly prepared you will not be afraid.
Dale CarnegieEven in such technical lines as engineering, about 15% of one's financial success is due one's technical knowledge and about 85% is due to skill in human engineering, to personality and the ability to lead people.
Dale Carnegie