Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try ...

The essence of wisdom is to know when to be doing, and when it's useless even to try (Mary Stewart)

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Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try

Mary Stewart Quotes: The essence of wisdom is to know when to be doing, and when it's useless even to try