[ carl j. friedrich Quotes ]
Showing search results for Carl J. Friedrich Quotes - 1 quotations by Carl J. Friedrich - Dictionary Quotes1 quote
What was once thought can never be unthought.
Thoughts and Thinking
Carl J. Friedrich
Comment this quote | Permalink | Vote for this quote | 120 votes
Research is what I'm doing when I don't know what I'm doing.
[ Research ] Wernher Von Braun