When you're an investor, you can look at the quantitative and qualitative elements of an investment, but there's a third aspect: What you feel in your gut. Kevin O'Leary
A painstaking course in qualitative and quantitative analysis by John Wing gave me an appreciation of the need for, and beauty of, accurate measurement. Paul D. Boyer
You may have heard the world is made up of atoms and molecules, but it's really made up of stories. When you sit with an individual that's been here, you can give quantitative data a qualitative overlay. William Turner
Modernity is a qualitative, not a chronological, category. Theodor Adorno
The most important advances, the qualitative leaps, are the least predictable. Not even the best scientists predicted the impact of nuclear physics, and everyday consumer items such as the iPhone would have seemed magic back in the 1950s. Martin Rees