For scientific progress, is only qualitative thinking enough?

Explanation

To answer the question, "For scientific progress, is qualitative thinking enough?", we can break down the solution into the following steps:

### Step-by-Step Solution:

1. **Understanding Qualitative Thinking**:
- Initially, qualitative thinking was deemed sufficient for scientific progress. This type of thinking involves understanding concepts, ideas, and phenomena in a descriptive manner without the use of numerical data.

2. **Historical Context**:
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