The more specific idea of Evolution now reached is - a change from an indefinite, incoherent homogeneity to a definite, coherent heterogeneity, accompanying the dissipation of motion and integration of matter.
Herbert Spencer tagged in change

Well, the first thing is that truth and power for me form an antithesis, an antagonism, which will hardly ever be resolved. I can define in fact, can simplify the history of human society, the evolution of human society, as a contest between power and freedom.
Wole Soyinka tagged in power