"A sceptical young man one day conversing with the celebrated Dr. Parr, observed that he would believe nothing which he could not understand. "Then, young man, your creed will be the shortest of any man's I know.""

Previous Quote

He who experiments must, while doing so, divest himself of every preconception. It is clear then that if we wish to make use of a method of experimental psychology, the first thing necessary is to renounce all former creeds and to proceed by means of the method in the search for truth.

— Maria Montessori