“Theories cannot claim to be indestructible. They are only the plough w...” — Paul Sabatier Quote

Theories cannot claim to be indestructible. They are only the plough which the ploughman uses to draw his furrow and which he has every right to discard for another one, of improved design, after the harvest.

My own ideas on the mechanism of catalytic phenomena were very different from those at one time commonly held, ideas which I no doubt owed to the influence of the illustrious teacher who had guided my first steps in chemistry nearly twenty years before - I refer, of course, to Berthelot.

During the period 1901 to 1905, together with Senderens, I showed that nickel is very suitable for the direct hydrogenation of nitriles into amines and, no less important, of aldehydes and acetones into corresponding alcohols.

Case studies of failure should be made a part of the vocabulary of every engineer so that he or she can recall or recite them when something in a new design or design process is suggestive of what went wrong in the case study.

Deep down, creationists realize they will never win factual arguments with science. This is why they have construed their own science-like universe, known as Intelligent Design, and eagerly jump on every tidbit of information that seems to go their way.

For me, I've always loved style, because I've always loved dressing different and being unique and maybe wearing stuff no one else would wear, and I feel like that really carries over into my same taste in interior design.

In short order, Obamacare is evolving into a Medicaid marketplace. Not only in terms of the design and quality of the narrow-network plans that are being offered, but in the actual carriers that sell those policies.