This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.

The history of scientific and technical discovery teaches us that the human race is poor in independent and creative imagination.

The led must not be compelled; they must be able to choose their own leader.

A knowledge of the existence of something we cannot penetrate, of the manifestations of the profoundest reason and the most radiant beauty - it is this knowledge and this emotion that constitute the truly religious attitude; in this sense, and in this alone, I am a deeply religious man.

The power of imagination is the ultimate creative power.. no doubt about that. While knowledge defines all we currently know and understand.. imagination points to all we might yet discover and create. Imagination is more important than knowledge. Your imagination is your preview of life's coming attractions

[Max Planck] was one of the finest people I have ever known... but he really didn't understand physics, [because] during the eclipse of 1919 he stayed up all night to see if it would confirm the bending of light by the gravitational field. If he had really understood [general relativity], he would have gone to bed the way I did

Human beings, vegetables, or cosmic dust, we all dance to a mysterious tune, intoned in the distance by an invisible piper.