How Scientific Thought Differs from Ancient Thought

If we consent for the time being to denude the mind of philosophical and metaphysical presuppositions, and take the matter in the most simple and naive way possible, I think our answer, stated in technical terms, will be that [science] substitutes data for objects. (It is not meant that this outcome is the whole effect of the experimental method; that as we saw at the outset is complex; but that the first effect as far as stripping away qualities is concerned is of this nature.) That Greek sc...

 Condorcet's Final Days

Condorcet,proscribed by a sanguinary faction, formed the idea of addressing to his fellow-citizens a summary of his principles, and of his conduct in public affairs. He set down a few lines in execution of this project: but when he recollected, as he was obliged to do, thirty years of labour directed to the public service, and the multitude of fugitive pieces in which, since the revolution, he had uniformly attacked every institution inimical to liberty, he rejected the idea of a useless just...

 Tools Forever Changed Man's Relationship to Nature

[T]he moment man first picked up a stone or a branch to use as a tool, he altered irrevocably the balance between him and his environment. From this point on, the way in which the world around him changed was different. It was no longer regular or predictable. New objects appeared that were not recognizable as a mutation of something that existed before, and as each one merged it altered the environment not for one season, but for ever.