Logic is the anatomy of thought. – John Locke
There is frequently more to be learned from the unexpected questions of a child than the discourses of men. – John Locke

Logic is the anatomy of thought. – John Locke
There is frequently more to be learned from the unexpected questions of a child than the discourses of men. – John Locke
If by gaining knowledge we destroy our health, we labour for a thing that will be useless in our hands. – John Locke
Logic is a large drawer, containing some useful instruments, and many more that are superfluous. A wise man will look into it for two purposes, to avail himself of those instruments that are really useful, and to admire the ingenuity with which those that are not so, are assorted and arranged. – Charles Caleb Colton, Lacon