He contended that one of the main objects of the chemist was to ascertain the nature of compounds; and thereby he stimulated the application of analysis to chemistry. Boyle discovered a number of qualitative reactions, and applied them to the detection of substances, either free or in combination.
Robert BoyleRelated topics
chemistry free nature number qualitative boyleRelated quotes
In a face, look for the main light and the main shadow; the rest will come naturally - it's often not important. And then you must cultivate your memory, because Nature will only provide you with references. Nature is like a warden in a lunatic asylum. It stops you from becoming banal.
Édouard Manet
A large number of suspects, both men and women, escaped martial law for lack of any shred of evidence against them on which a court-martial could convict. So they began setting them free in groups, according to their birth-place. But half-way, the car-load would be emptied into a ditch.
Georges Bernanos