Foreword: State of mind is the most magical power in the world .A person will be in a more lofty thought if he/she can live and work with zeal, passion and hope.

• 引言: 心态是世界上最神奇的力量,带着热忱、激情和希望的积极心态投入到生活和工作中去，能将一个人提升到更高的境界。