In the sick room, ten cents' worth of human understanding equals ten dollars' worth of medical science.

Whenever ideas fail, men invent words.

Don't confuse hypothesis and theory. The former is a possible explanation the latter, the correct one. The establishment of theory is the very purpose of science.

Facts are not science - as the dictionary is not literature.

In the sick room, ten cents' worth of human understanding equals ten dollars' worth of medical science.