Spare No Efforts in Doing Things
Concentration and perseverance built the great pyramids on Egypt's plains.
The master of a single trade can support a family. The master of several trades cannot support himself.
Now I know that I cannot pursue a worthy goal, steadily and persistently, with all the powers of my mind and yet fail. If I focus the rays of sun with a burning glass, even in the coldest days of winter,I can kindle a fire with ease.
