Robert A. Heinlein Quote: No.21
- 21
Never worry about theory as long as the machinery does what it's supposed to do. Robert A. Heinlein | Refcard PDF ↑
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- Name:
- Robert A. Heinlein (random)
- Books & Videos:
- Robert A. Heinlein Books & Videos
- Type:
- Writer
- Nationality:
- American
- Birth Date / Year:
- July 7, 1907
- Death Date / Year:
- May 8, 1988
