Max Planck — "Physics is a science of the real world, not of the subjective impressions of the…"

"A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with …"

"The value of a man is not in what he acquires but in what he develops."

"Religion and natural science are fighting a joint battle in an incessant, never-ending crusade against skepticism and against dogmatism, against unbelief and against superstition, and as the motto for…"

"The scientist's most important tool is his imagination."

"The quantum theory is a confirmation of the fact that the world is not a collection of things, but a collection of processes."