Van Gogh's happiness at seeing his young nephew sparked an explosion of artistic energy in the last few weeks of his life.

BBC: Van Gogh painted the portrait after meeting his nephew

As a parent, I know that seeing your kids do extraordinary things brings the greatest happiness that a parent can have.

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Her disability never discouraged her from doing the work she was called to do and from seeing her true worth as approaches each day with a contagious happiness.

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