Scientific Instruction is a Craft

Scientific instruction is a craft. This is because skill in a science, knowledge of its diverse aspects, and mastery of it are the result of a habit.... The easiest method of acquiring the scientific habit is through acquiring the ability to express oneself clearly in discussing and disputing scientific problems. This is what clarifies their import and makes them understandable.

 Theories Dwindle in Number as Facts Emerge

The intensity and quantity of polemical literature on scientific problems frequently varies inversely as the number of direct observations on which the discussions are based: the number and variety of theories concerning a subject thus often form a coefficient of our ignorance. Beyond the superficial observations, direct and indirect, made by geologists, not extending below about one two-hundredth of the Earth's radius, we have to trust to the deductions of mathematicians for our ideas regard...

 Problems Encountered While Walking Along the Street

If you walk along the street you will encounter a number of scientific problems. Of these, about 80 per cent are insoluble, while 191/2 per cent are trivial. There is then perhaps half a per cent where skill, persistence, courage, creativity and originality can make a difference. It is always the task of the academic to swim in that half a per cent, asking the questions through which some progress can be made.