For without experiment nothing can be sufficiently known. Therefore, he who wishes to be certain of the truths of things must have recourse to experiment.
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"The common people are easily deceived by false appearances."
"The common way of teaching is rather for ostentation than for instruction."
"The greatest impediment to learning is the fear of error."
"Without experiment, nothing can be sufficiently known."
"The study of languages is therefore necessary for all sciences, and especially for theology."
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