Robert A. Heinlein Quote

"Mutation" is never an explanation; it is simply a name for an observed fact.


Time Enough for Love, Chapter IX (p. 246), G.P. Putnam's Sons. 1973


Mutation is never an explanation; it is simply a name for an observed fact.

Mutation is never an explanation; it is simply a name for an observed fact.

Mutation is never an explanation; it is simply a name for an observed fact.

Mutation is never an explanation; it is simply a name for an observed fact.