Alessandro Volta's Quotes that have to be known before 30

You must be ready to give up even the most attractive ideas, when experiment shows them to be wrong. Keep in mind to be kind. I am still of the same opinion, because the impossibility of the formation of mountains by the sea, is demonstrated to me. My father owned nothing except a small dwelling worth about 14,000 lira, and he left behind him 17,000 lira of debt. I was actually poorer and poorer. What is it possible to do well, in physics particularly, if things are not reduced to degrees and measures? The language of experiment, is more authoritative than any reasoning. Facts can destroy our ratiocination, not vice versa.