Knowledge Is Our Most Powerful Engine Of

All Labour Is Directed Towards Producing Some Effect.

Knowledge Is Our Most Powerful Engine Of Production.

And Very Often The Influence Exerted On A Person's Character By The Amount Of His Income Is Hardly Less, If It Is Less, Than That Exerted By The Way In Which It Is Earned.

Slavery Was Regarded By Aristotle As An Ordinance Of Nature, And So Probably Was It By The Slaves Themselves In Olden Time.

The Price Of Every Thing Rises And Falls From Time To Time And Place To Place; And With Every Such Change The Purchasing Power Of Money Changes So Far As That Thing Goes.