40 Sourced Quotes
However many things we may have done, we are yet to a certain degree fresh for that which we are going to begin. Who, on the contrary, would not be stupefied if he were to listen to the same teacher of any art, whatever it might be, through the whole day? But by change a person will be recruited, as is the case with respect to food, by varieties of which the stomach is re-invigorated and is fed with several sorts less unsatisfactorily than with one.
The lofty serenity of science becomes possible only on the condition of impartial criticism, which without regard for the beliefs of a certain portion of humanity, handles its imperturbable instrument with the inflexibility of the geometrician, without anger and without pity. The critic never insults.
To say the truth, whatever improvement private study may produce, there is still a peculiar advantage attendant on our appearance in the forum, where the light is different and there is an appearance of real responsibility quite different from the fictitious cases of the schools. If we estimate the two separately, practice without learning will be of more avail than learning without practice.