The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools. Confucius
Men have become the tools of their tools. Henry David Thoreau
We shape our tools and afterwards our tools shape us. Marshall McLuhan
A bad worker blames his tools. Australian Proverb
A bad workman quarrels with his tools. Romanian Proverb
A poor workman always blames his tools. English Proverb