Progress begins with the minority. It is completed by persuading the majority, — George William Curtis
Unless some effective world supergovernment for the purpose of preventing war can — Winston Churchill
People are the common denominator of progress. So… no improvement is possible — John Kenneth Galbraith
Certain management policies-stretching of credit resources, for example-may lead to great progress — Anthony Stafford Beer
But, after all, the sciences have made progress, because philosophers have applied — Etienne Bonnot de Condillac