What Mach calls a thought experiment is of course not an experiment at all. At bottom it is a grammatical investigation. — Ernst Mach Copy Share Image
Thought experiment is in any case a necessary precondition for physical experiment. Every experimenter and inventor must have the planned arrangement in his head before translating it into fact. — Ernst Mach Copy Share Image
Science itself, therefore, may be regarded as a minimal problem, consisting of the completest possible presentment of facts with the least possible expenditure of… — Ernst Mach Copy Share Image
In reality, the law always contains less than the fact itself, because it does not reproduce the fact as a whole but only in… — Ernst Mach Copy Share Image
The presentations and conceptions of the average man of the world are formed and dominated, not by the full and pure desire for knowledge… — Ernst Mach Copy Share Image
“To us investigators, the concept 'soul' is irrelevant and a matter for laughter.” — Ernst Mach Copy Share Image
Scientists must use the simplest means of arriving at their results and exclude everything not perceived by the senses. — Ernst Mach Copy Share Image
“But we must not forget that all things in the world are connected with one another and depend on one another, and that we… — Ernst Mach Copy Share Image
If our dreams were more regular, more connected, more stable, they would also have more practical importance for us. — Ernst Mach Copy Share Image
Mathematics may be defined as the economy of counting. There is no problem in the whole of mathematics which cannot be solved by direct… — Ernst Mach Copy Share Image
Strange as it may sound, the power of mathematics rests on its evasion of all unnecessary thought and on its wonderful saving of mental… — Ernst Mach Copy Share Image
The acquisition of the most elementary truth does not devolve upon the individual alone: it is pre-effected in the development of the race. — Ernst Mach Copy Share Image
