If it can't be expressed in figures, it is not science; it is opinion. It has long been known that one horse can run faster than another — but which one? Differences are crucial.


Time Enough for Love (1973)

Robert A. Heinlein Quotes

If it can't be expressed in figures, it is not science; it is opinion. It has long been known that one horse can run faster than another — but...

If it can't be expressed in figures, it is not science; it is opinion. It has long been known that one horse can run faster than another — but...

If it can't be expressed in figures, it is not science; it is opinion. It has long been known that one horse can run faster than another — but...

If it can't be expressed in figures, it is not science; it is opinion. It has long been known that one horse can run faster than another — but...