“Knowledge is of no value unless you put it into practice.”– Anton Chekhov Related Quotes “Knowledge of what is possible is the beginning of happiness.”– George Santayana “Knowledge without justice ought to be called cunning rather than wisdom.”– Plato “Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom.”– Charles Spurgeon