It remains an irrefragable law of history that contemporaries are denied a recognition of the early beginnings of the great movements which determine their times.

Being sent to bed is a terrible command to all children, because it means the most public possible humiliation in front of adults, the confession that they bear the stigma of childhood, of being small and having a child's need for sleep.

But in the intellectual world, there is room for all opposing forces: even that which never appears victorious in the real world continues to be effective as a dynamic force (in the intellectual world) and precisely the unfulfilled ideals prove to be the most invincible.

Formerly man had only a body and a soul. Now he needs a passport as well for without it he will not be treated like a human being.

One must be convinced to convince, to have enthusiasm to stimulate the others.

(Brazil:) I've never beheld such a paradise. The people are enchanting and--a mercy on this earth of ours--this is the only placewhere there isn't any race question. Negroes and whites and Indians, three-quarters, oneeighth, the wonderful Mulatto and Creole women, Jews and Christians, all dwell together in a peace that passes describing. The Jewish immigrants are in seventh heaven; all of them have jobs and feel at home.

Decisive inventions and discoveries always are initiated by an intellectual or moral stimulus as their actual motivating force, but, usually, the final impetus to human action is given by material impulses ... merchants stood as a driving force behind the heroes of the age of discovery; this first heroic impulse to conquer the world emanated from very mortal forces