"I know Derek extremely well, and I can read his face, " Cashman said.

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To invest properly in your career, you must know yourself extremely well.

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Ms. Livingston's strategy is to know her subjects extremely well.

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Also, over decades of experience doctors have gotten to know the ups and downs of tamoxifen extremely well.

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If a particular asset class, strategy or fund has done extremely well for three or four years, we know one thing with certainty: We should have invested three or four years ago.

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