Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. ...

One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles (Tom Walsh)

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Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles

Tom Walsh Quotes: One must learn by doing the thing; though you think you know it, you have no certainty until you try. -Sophocles