Productive Force Quotes

2 Productive Force quotes by 2 unique authors

• The greatest productive force is human selfishness. — Robert A. Heinlein
• The year that Rutherford died (1938 [sic]) there disappeared forever the happy days of free scientific work which gave us such delight in our youth.… — Pyotr Kapitsa

Who Wrote These Productive Force Quotes

2 authors contributed a total of 2 Productive Force Quotes as follows:

• 1 Productive Force Quote by Robert A. Heinlein
• 1 Productive Force Quote by Pyotr Kapitsa