“If he was not satisfied with the work of any engineer or scientist, he immediately told him his fault. He was very positive at such moments.”
About, Pride Of The Nation: Dr. A.P.J. Abdul Kalam
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Vikram Sarabhai 21
(1919-1971), Indian physicist 1919–1971Related quotes

“He who flatters a man is his enemy. he who tells him of his faults is his maker.”

About, Pride Of The Nation: Dr. A.P.J. Abdul Kalam

John G. Agar III, [http://drgangrene.blogspot.com/2011/02/conversation-with-john-agar-iii.html A Conversation with John Agar III

Swami Tejomayananada, in p. 139.
Sources, Hindu Culture, An Introduction