Progress is made by trial and failure; the failures are generally a hundred times more numerous than the successes ; yet they are usually left unchro….

If Russia is prepared to run the risk of cutting off supplies to its neighbors if they have a disagreement, how reliable are they as a supplier? You ….

The noblest exercise of the mind within doors, and most befitting a person of quality, is study..

The country which is in advance of the rest of the world in chemistry will also be foremost in wealth and in general prosperity..

Nothing can be more certain than this: that we are just beginning to learn something of the wonders of the world on which we live and move and have o….