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A clear mission gives direction and purpose to every action.
清晰的使命为每一个行动提供方向和目的。
It is better for you to be free of fear lying upon a pallet, than to have a golden couch and a rich table and be full of trouble.
Iteration is the key to innovation. You have to keep refining and improving your ideas until they work.
The only limit to our realization of tomorrow will be our doubts of today.