We can in fact only define a weed, mutatis mutandis, in terms of the well-known definition of dirt – as matter out of place. What we call a weed is in fact merely a plant growing where we do not want it. – E.J. Salisbury, The Living Garden, 1935
It is imperative for the health and safety of millions of workers that we ensure that breathing systems needed for protection are widely available, convenient and economical. – Bill Shuster
