There is no matter as such—mind is the matrix of all matter.

An important scientific innovation rarely makes its way by gradually winning over and converting its opponents: What does happen is that the opponents gradually die out.

Every advance in knowledge brings us face to face with the mystery of our own being.

Experiment is the only means of knowledge at our disposal. Everything else is poetry, imagination.

It is never possible to predict a physical occurrence with unlimited precision.

Science progresses not by convincing the adherents of old theories that they are wrong, but by allowing enough time to pass so that a new generation can arise unencumbered by the old errors.

Scientific discovery and scientific knowledge have been achieved only by those who have gone in pursuit of it without any practical purpose whatsoever in view.