The individual should take pride in kinds of productive activity, physical and intellectual, the difference is mostly insignificant. The manual laborer has the advantage of seeing an article, a product, develop under the guidance of their digits and controlled tools, but the intellectual clearly comprehends that such activity only transpires as the result of previous thorough thought and consideration.
Thought and activity have been unavoidable linked since the first human espied a broken branch and adapted the hunk into an instrument of percussive use.
Daily Abstract Thoughts 