You can’t be afraid to take a loss. The people who are afraid to take a loss are the ones who get killed in this business.
Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. 
The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.
你必须相信你制定的长期计划,但你需要短期目标来激励和启发你。