Protoplasm is protean; any simple protoplasm can become any complex form of life under mutation and selection.


Chapter 13, No more privacy than a guppy in an aquarium (p. 126) - Beyond This Horizon (1948; originally serialized in 1942)

Robert A. Heinlein Quotes

Protoplasm is protean; any simple protoplasm can become any complex form of life under mutation and selection.

Protoplasm is protean; any simple protoplasm can become any complex form of life under mutation and selection.

Protoplasm is protean; any simple protoplasm can become any complex form of life under mutation and selection.

Protoplasm is protean; any simple protoplasm can become any complex form of life under mutation and selection.