"The great difference between those who succeed and those who fail does not consist in the amount of work done by each but in the amount of intelligent work."

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Too often the educational value of doing well what is done, however little, is overlooked. One thing well done prepares the mind to do the next thing better. Not how much, but how well, should be the motto. One problem thoroughly understood is of more value than a score poorly mastered.

— Booker T. Washington