David Bohm Quotes
In nature nothing remains constant. Everything is in a perpetual state of transformation, motion, and change. However, we discover that nothing simply surges up out of nothing without having antecedents that existed before. Likewise, nothing ever disappears without a trace, in the sense that it gives rise to absolutely nothing existing in later times.
Bohm, David. Causality and Chance in Modern Physics. Routledge & Kegan Paul, 1957, p. 1.
See Heraclitus {436440} for the ancient Greek exposition of this idea.
David Joseph Bohm FRS was an American scientist who has been described as one of the most significant theoretical physicists of the 20th century and who contributed unorthodox ideas to quantum theory, neuropsychology and the philosophy of mind.