A good deal of confusion could be avoided, if we refrained from setting before the group, what can be the aim only of the individual; and before society as a whole, what can be the aim only of the group.
As soon as one point alone is removed from the sphere of dogmatic certainty, the discussion will not simply result in a new and better formulation which will have greater consistency but may easily lead to endless debates and general confusion.
The small force that it takes to launch a boat into the stream should not be confused with the force of the stream that carries it along: but this confusion appears in nearly all biographies.