Strange as it may sound, the power of mathematics rests on its evasion of all unnecessary thought and on its wonderful saving of mental operations.

- Ernst Mach

A colour is a physical object as soon as we consider its dependence, for instance, upon its luminous source, upon other colours, upon temperatures, u…

- Ernst Mach

Science is the most complete presentment of facts with the least expenditure of thought

- Ernst Mach

The ego is as little absolutely permanent as are bodies.

- Ernst Mach

The plain man is familiar with blindness and deafness, and knows from his everyday experience that the look of things is influenced by his senses; bu…

- Ernst Mach

Man is pre-eminently endowed with the power of voluntarily and consciously determining his own point of view.

- Ernst Mach

I can accept the theory of relativity as little as I can accept the existence of atoms and other such dogmas.

- Ernst Mach

I know of nothing more terrible than the poor creatures who have learned too much. Instead of the sound powerful judgement which would probably have …

- Ernst Mach

Scientists must use the simplest means of arriving at their results and exclude everything not perceived by the senses.

- Ernst Mach