If you want truly to understand something, try to change it.

quote by Kurt Lewin
Added by Lucian Velea
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If you want to truly understand something, try to change it.

quote by Kurt Lewin
Added by Lucian Velea
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A successful individual typically sets his next goal somewhat but not too much above his last achievement. In this way he steadily raises his level of aspiration.

quote by Kurt Lewin
Added by Lucian Velea
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