Utopias have their value -- nothing so wonderfully expands the imaginative horizons of human potentialities -- but as guides to conduct they can prove literally fatal.
Isaiah BerlinNo perfect solution is, not merely in practice, but in principle, possible in human affairs, and any determined attempt to produce it is likely to lead to suffering, disillusionment and failure.
Isaiah BerlinBoth liberty and equality are among the primary goals pursued by human beings throughout many centuries; but total liberty for wolves is death to the lambs, total liberty of the powerful, the gifted, is not compatible with the rights to a decent existence of the weak and the less gifted.
Isaiah Berlin