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I never considered a difference of opinion in politics, in religion, in philosophy, as cause for withdrawing from a friend. ”
I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led, and bearding every authority which stood in their way. ”
The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties; blind faith the one unpardonable sin. ”
Every great advance in natural knowledge has involved the absolute rejection of authority. ”
The medieval university looked backwards; it professed to be a storehouse of old knowledge. The modern university looks forward, and is a factory of new knowledge. ”
If a little knowledge is dangerous, where is the man who has so much as to be out of danger? ”
In science, as in art, and, as I believe, in every other sphere of human activity, there may be wisdom in a multitude of counsellors, but it is only in one or two of them. ”
Leisure is the Mother of Philosophy. ”
It is not wisdom but Authority that makes a law. ”
Science is the knowledge of consequences, and dependence of one fact upon another. ”