It can be said that essentially all organisms are insects

Quotes from Robert May, Baron May of Oxford

1990

The role of the scientist is not to determine which risks are worth taking, or deciding what choices we should take, but the scientist must be involved in indicating what the possible choices, constraints and possibilities are . . . The role of the scientist is not to decide between the possibilities but to determine what the possibilities are.

How many species are there on earth? (1988), Science 241: 1441--9

To a rough approximation, and setting aside vertebrate chauvinism, it can be said that essentially all organisms are insects.

 Simple mathematical models with very complicated dynamics (1976), Nature 261: 459--467 

Not only in research, but also in the everyday world of politics and economics, we would all be better off if more people realised that simple nonlinear systems do not necessarily possess simple dynamical properties.