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Subba Rao Chaganti

1 articles

Addition by Subtraction

Addition by Subtraction? Sounds paradoxical? Unbelievable? Consider what Lao Tzu, the great Chinese philosopher said 2,500 years ago. Here is the essence of what he said: To attain knowledge, add things everyday. To attain wisdom, subtract things everyday. Profit comes from what is there, and usefulness comes from what is not there.