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You must not think that what is hard for you to master is humanly impossible; and if it is humanly possible, consider it to be within your reach.
Economic development requires a stable legal environment.
The most exciting part of acting is the discovery of the character, the exploration of their world.
If you've never tried, how will you ever know if there's any chance?
数学的真正力量在于它简化复杂事物的能力,使不可理解的事物变得可理解。