When the Special Theory of Relativity began to germinate in me, I was visited by all sorts of nervous conflicts... I used to go away for weeks in a state of confusion.

I have not eaten enough of the tree of knowledge, though in my profession I am obligated to feed on it regularly.

Galileo - the father of modern physics - indeed of modern science.

Marriage is but slavery made to appear civilized.

Our situation on this earth seems strange. Every one of us appears here involuntarily and uninvited for a short stay, without knowing the whys and the wherefore. In our daily lives we only feel that man is here for the sake of others, for those whom we love and for many other beings whose fate is connected with our own. I am often worried at the thought that my life is based to such a large extent on the work of my fellow human beings and I am aware of my great indebtedness to them.

It occurred to me by intuition, and music was the driving force behind that intuition. My discovery was the result of musical perception.

To my mind, to kill in war is not a whit better than to commit ordinary murder.