We have no right to assume that any physical laws exist, or if they have existed up until now, that they will continue to exist in a similar manner in the future.
Max PlanckA new scientific truth is usually not propagated in such a way that opponents become convinced and discard their previous views. No, the adversaries eventually die off, and the upcoming generation is familiarised anew with the truth.
Max PlanckExperiment is the only means of knowledge at our disposal. Everything else is poetry, imagination.
Max Planck